C-24.2, r. 31 - Vehicle Load and Size Limits Regulation

Full text
chapter C-24.2, r. 31
Vehicle Load and Size Limits Regulation
HIGHWAY SAFETY CODE — VEHICLE LOAD AND SIZE LIMITS
Highway Safety Code
(chapter C-24.2, s. 621, pars. 15, 16, 17 and 18).
C-24.2
September 1 2012
DIVISION I
DEFINITIONS
1. This Regulation applies to road vehicles and combinations of road vehicles within the meaning of the Highway Safety Code (chapter C-24.2).
It does not apply to road vehicles and combinations of road vehicles designed to fight fires.
O.C. 1299-91, s. 1; O.C. 1412-98, s. 1.
2. For the purposes of this Regulation, the public highways of Québec are classified as follows:
(1)  ordinary class: any public highway or part thereof not covered by subparagraphs 2 and 3;
(2)  special class: public highways described and delimited in Schedule C;
(3)  exempted class: parts of public highways at the intersections of a private road described in Schedule D.
Unless the context indicates otherwise in this Regulation, the standards herein apply to all public highways of the ordinary class and of the special class and do not apply to the parts of public highways of the exempted class.
O.C. 1299-91, s. 2; O.C. 1412-98, s. 2.
3. In this Regulation,
“donkey type axle” means an axle added to the rear of a single unit road vehicle comprising at least one of the following specifications:
(1)  an independent spring suspension;
(2)  wheels that touch the ground only when the vehicle is loaded;
(3)  no brake system; (essieu de type “donke”»)
“dolly” means a dolly used to convert a semi-trailer into a trailer; (diabolo)
“load maximum” means the “GAWR” within the meaning of the Motor Vehicle Safety Regulations (C.R.C., c. 1038); (charge limite)
“self-steering axle” means an axle equipped at its ends with a part that can pivot around a vertical axis allowing the wheels to turn automatically in accordance with the vehicle-path; (essieu autovireur)
“semi-trailer” means a road vehicle the front of which rests on the fifth wheel of the vehicle hauling it; (semi-remorque)
“single axle” means an axle supporting a mass that can be measured under the wheels; (essieu simple)
“tandem axle” means a combination of 2 axles attached to a vehicle by a suspension system designed to distribute equally, at about 1,000 kg and at all times, the mass that can be measured under the wheels of each axle and consisting of a common suspension or of 2 identical suspensions attached together; (essieu tandem)
“towing vehicle” means a motor vehicle used to haul a trailer; (véhicule-remorqueur)
“tractor” means a motor vehicle, equipped with a fifth wheel, used to haul 1 or 2 semi-trailers or a semi-trailer and a trailer; (tracteur)
“trailer” means a road vehicle, including a semi-trailer the front of which rests on a dolly attached to the vehicle that hauls it by a coupling system other than the fifth wheel of the vehicle hauling it; (remorque)
“triple axle” means a combination of 3 equally spaced axles attached to a vehicle by a suspension system designed to distribute equally, at about 1,000 kg and at all times, the mass that can be measured under the wheels of each axle and consisting of 3 identical suspensions attached together; (essieu triple)
“vehicle manufacturer” means any person manufacturing a vehicle defined by the Motor Vehicle Safety Act (S.C. 1993, c. 16). (le fabricant du véhicule)
For the purposes of this Regulation, the distance between the axes or the centres of 2 axles is the distance between the rotation centre of the axis of one axle in relation to the rotation centre of the axis of the other axle.
O.C. 1299-91, s. 3; O.C. 1412-98, s. 3.
DIVISION II
MAXIMUM DIMENSIONS
4. The maximum length of any road vehicle or combination of road vehicles, load included, shall be:
(1)  12.5 m for any motor vehicle where the rear overhang is 4 m or less;
(2)  14 m for any bus where the rear overhang is 4 m or less;
(3)  18.5 m for an articulated bus;
(4)  23 m for any combination of road vehicles consisting of a farm tractor and of 2 trailers;
(5)  23 m for any combination of road vehicles consisting of a tractor and of not more than 3 motorized road vehicles or chassis of motor vehicles coupled to the tractor according to the saddle-back method;
(6)  23 m for any combination of road vehicles consisting of a towing vehicle and a single trailer equipped with a dolly or consisting of a towing vehicle and a single trailer where the rear overhang of the trailer is 4 m or less;
(7)  23 m for any combination of road vehicles consisting of a tractor and a single semi-trailer that meet the following specifications:
(a)  the tractor has a wheelbase of 6.2 m or less;
(b)  the tractor has an interaxle spacing of 3 m or more;
(c)  the distance between the rear end of the semi-trailer, load included, and the centre of its single, tandem or triple axle is at the most 35% of the distance between the centre of that axle and the centre of the king pin;
(8)  25 m for any Type B or C double train that meets the following specifications:
(a)  in the case of Type B, it is composed of a tractor and a semi-trailer equipped at the rear with a fifth wheel on which the front of the second semi-trailer rests;
(b)  in the case of Type C, it is composed of a tractor, a semi-trailer and a double drawbar dolly, which converts the second semi-trailer into a trailer:
(c)  the tractor is not provided with load space and has a wheelbase of 6.2 m or less;
(d)  the tractor has an interaxle spacing of 3 m or less;
(e)  the distance between the front of the first semi-trailer and the rear end of the second semi-trailer is 20 m or less;
(9)  25 m for any Type A double train that meets the following specifications:
(a)  it is composed of a tractor, a semi-trailer and a single drawbar dolly, which converts the second semi-trailer into a trailer;
(b)  the tractor is not provided with load space and has a wheelbase of 6.2 m or less;
(c)  the tractor has an interaxle spacing of 3 m or more;
(d)  the distance between the front of the first semi-trailer and the rear end of the second semi-trailer is 18.5 m or less;
(10)  11 m for any motor vehicle not covered by subparagraphs 1 and 2;
(11)  19 m for any combination of road vehicles not covered by subparagraphs 4, 5, 6, 7, 8 and 9;
(12)  36.5 m for any combination of road vehicles on a public highway belonging to the special class described in Schedule C.
For the purposes of subparagraphs 7, 8 and 9, the interaxle spacing of the tractor shall be measured from the axis of rotation of the front axle to the axis of rotation of the first axle of the group of rear axles and the wheelbase of the tractor shall be measured from the axis of rotation of the front axle to the centre of the group of rear axles, or as the case may be, to the axis of rotation of the single rear axle.
For the purposes of subparagraphs 1, 2 and 6, the rear overhang shall be measured from the centre of the single, tandem or triple rear axle to the rear end of the vehicle including loading.
For the purposes of subparagraphs 8 and 9, the distance between the front of the first semi-trailer and the rear end of the second semi-trailer does not include auxiliary equipment located in front of the first semi-trailer, provided they do not increase the load volume of the road vehicle.
O.C. 1299-91, s. 4; O.C. 1412-98, s. 4.
5. The maximum length for any trailer shall be 12.5 m.
The maximum length for any semi-trailer converted into a trailer by a dolly shall be 14.65 m.
The dimension prescribed by the second paragraph does not include the coupling device of the dolly.
O.C. 1299-91, s. 5; O.C. 1412-98, s. 5.
6. The maximum length for any semi-trailer shall be:
(1)  16.2 m for those with the following specifications:
(a)  they are equipped with a single axle, a tandem axle or a triple axle, and the axles are not more than 1.85 m apart;
(b)  (subparagraph revoked);
(c)  the distance between the centre of their single axle, tandem axle or triple axle and the centre of the king pin of the coupling device is not more than 12.5 m;
(d)  the horizontal radius between the vertical axis passing through the centre of the king pin of the coupling device and the front of the semi-trailer does not exceed 2 m;
(1.1)  15.5 m for those equipped with a combination of axles of class B.44 or B.45 that meet the specifications covered by subparagraphs c and d of subparagraph 1;
(2)  14.65 m for those that meet only the specifications prescribed by subparagraphs c and d of subparagraph 1;
(3)  10 m in all other cases.
Subparagraph c of subparagraph 1 of the first paragraph does not apply to lowered semi-trailers with a removable gooseneck.
O.C. 1299-91, s. 6; O.C. 1412-98, s. 6.
7. The dimensions prescribed by sections 5 and 6 do not include auxiliary equipment located in front of the semi-trailer or trailer, provided they do not increase the load volume of the road vehicle.
O.C. 1299-91, s. 7; O.C. 1412-98, s. 7.
8. Combinations of road vehicles shall consist of one of the following combinations:
(1)  one towing vehicle and 1 trailer;
(2)  one tractor hauling 1 or 2 semi-trailers;
(3)  one tractor hauling 1 semi-trailer and 1 trailer;
(4)  one farm tractor hauling 2 trailers; or
(5)  one tractor hauling 1, 2 or 3 motorized road vehicles or chassis of motor vehicles coupled according to the saddle-back method.
O.C. 1299-91, s. 8; O.C. 1412-98, s. 8.
9. The maximum height of any road vehicle or combination of road vehicles, load included, shall be 4.15 m.
O.C. 1299-91, s. 9.
10. The maximum width of any single unit road vehicle, any towing vehicle and any tractor, load included, shall be 2.6 m. That of any farm trailer, load included, owned by a farmer shall be 2.6 m and that of any other trailer or semi-trailer, load included, shall be 2.5 m.
The dimension of 2.5 m covered by the first paragraph shall be increased to 2.6 m where the length of each axle, including tires, under a semi-trailer or trailer is 2.5 m or more. That dimension shall be increased to 3.75 m in the case of a trailer carrying grains and travelling unloaded.
The first paragraph does not apply to the following road vehicles owned by a farmer, when they travel elsewhere than on an autoroute:
(1)  farm machines transporting products to be sprayed or travelling unloaded;
(2)  seeders and combine harvesters;
(3)  (subparagraph revoked).
O.C. 1299-91, s. 10; O.C. 1412-98, s. 9; O.C. 995-2010, s. 1.
11. The dimension prescribed by section 10 does not include:
(1)  rearview mirrors and lights;
(2)  securing components used in accordance with the Regulation respecting standards for the securing of loads (chapter C-24.2, r. 30), provided they do not extend more than 100 mm beyond either side of a road vehicle;
(2.1)  the securing system and tarpaulin covering prescribed by section 11 of the Regulation respecting standards for the securing of loads, provided they do not extend more than 100 mm beyond either side of a road vehicle;
(3)  equipment for grading, clearing or marking roads, except where the vehicle is used for purposes other than public highway construction or maintenance;
(3.1)  a device used for the automatic loading of bales of hay;
(4)  wheels and spreading equipment for farm trailers owned by a farmer designed and used to transport products to be sprayed, chemical fertilizer, manure, liquid manure or manure liquid, travelling elsewhere than on an autoroute, provided they do not exceed 3.75 m.
O.C. 1299-91, s. 11; O.C. 1412-98, s. 10; O.C. 995-2010, s. 2.
12. The coupling device of each road vehicle forming a combination of road vehicles shall be so fitted that no towed vehicle can sway more than 80 mm to either side of the tractor or towing vehicle when the combination of road vehicles is travelling in a straight line.
O.C. 1299-91, s. 12.
DIVISION III
MAXIMUM AXLE LOAD
§ 1.  — General
13. The maximum axle load shall be the least of the following loads:
(1)  the sum of the maximum load rating specified by the tire manufacturer for each tire on an axle or a combination of axles of a class without exceeding, on the single wheels of axles B.10 to B.57, 10 kg/mm of nominal width of the tire indicated on the tire by the manufacturer;
(2)  5,500 kg for an axle belonging to class B.1, 11,000 kg for a combination of axles belonging to class B.2 or B.3 or a higher load maximum indicated by the manufacturer of the road vehicle or the load capacity indicated by the person who made alterations to a vehicle with the approval of the Société de l’assurance automobile du Québec in accordance with paragraph 1 of section 214 of the Highway Safety Code (chapter C-24.2);
(3)  the maximum load prescribed by section 14, increased pursuant to section 15, 17 or 18 and decreased, for axles of classes B.10 to B.57, by 1,000 kg for each axle with only 2 tires; moreover, the maximum load shall be decreased, as the case may be, for classes B.31, B.32 and B.33 by 1,000 kg where the class of axles is made up of a group of axles equivalent to a triple axle;
(4)  the maximum load prescribed by section 24 for a period of thaw or rain.
For the purposes of the first paragraph, any load expressed in pounds shall be divided by 2.2046 and any load expressed in inches shall be multiplied by 25.4.
For the purposes of subparagraph 1 of the first paragraph, in the case of double wheels, the maximum load rating of the inner tire, unless proven otherwise, shall be the same as that of the outer tire.
O.C. 1299-91, s. 13; O.C. 1412-98, s. 11.
14. The maximum load of an axle or combination of axles belonging to a class in Schedule B shall be as follows:
_______________________________________________________

Class Axle load
_______________________________________________________

B.1 9,000 kg
_______________________________________________________

B.2 16,000 kg
_______________________________________________________

B.3 15,000 kg
_______________________________________________________

B.10 10,000 kg
_______________________________________________________

B.20 10,000 kg
_______________________________________________________

B.21 18,000 kg
_______________________________________________________

B.25 13,500 kg
_______________________________________________________

B.26 10,000 kg
_______________________________________________________

B.30 18,000 kg
_______________________________________________________

B.31 21,000 kg
_______________________________________________________

B.32 24,000 kg
_______________________________________________________

B.33 26,000 kg
_______________________________________________________

B.33.1 18,000 kg
_______________________________________________________

B.34 18,000 kg
_______________________________________________________

B.35 18,000 kg
_______________________________________________________

B.36 18,000 kg
_______________________________________________________

B.37 18,000 kg
_______________________________________________________

B.38 18,000 kg
_______________________________________________________

B.39 18,000 kg
_______________________________________________________

B.40 23,000 kg
_______________________________________________________

B.41 26,000 kg
_______________________________________________________

B.42 26,000 kg
_______________________________________________________

B.43 28,000 kg
_______________________________________________________

B.44 32,000 kg
_______________________________________________________

B.45 32,000 kg
_______________________________________________________

B.50 18,000 kg
_______________________________________________________

B.51 18,000 kg
_______________________________________________________

B.52 18,000 kg
_______________________________________________________

B.53 18,000 kg
_______________________________________________________

B.54 18,000 kg
_______________________________________________________

B.55 18,000 kg
_______________________________________________________

B.56 17,000 kg
_______________________________________________________

B.57 23,000 kg
_______________________________________________________
O.C. 1299-91, s. 14; O.C. 1412-98, s. 12.
§ 2.  — “Special” class public highway
15. The loads prescribed by section 14 shall be increased by 20% on a “special” class public highway and sections 16, 17 and 18 do not apply.
O.C. 1299-91, s. 15.
§ 3.  — The maximum axle load for road vehicles or combinations of road vehicles transporting unsawn timber
16. In this Subdivision, the expression “unsawn timber” means timber that has undergone only cross-cutting, stripping or barking.
O.C. 1299-91, s. 16.
17. Where the load of a road vehicle or combination of road vehicles is raw timber carried from the felling site to a primary processing plant, the maximum loads prescribed for classes B.21, B.31 to B.39, B.41 to B.43 of section 14 shall be increased until 31 December 1999 as follows:
____________________________________________________________

Class Axle load
____________________________________________________________

B.21 20,000 kg
____________________________________________________________

B.31 23,000 kg
____________________________________________________________

B.32 25,000 kg
____________________________________________________________

B.33 27,000 kg
____________________________________________________________

B.33.1 27,000 kg
____________________________________________________________

B.34 29,000 kg
____________________________________________________________

B.35 30,000 kg
____________________________________________________________

B.36 22,000 kg
____________________________________________________________

B.37 24,000 kg
____________________________________________________________

B.38 26,000 kg
____________________________________________________________

B.39 29,000 kg
____________________________________________________________

B.41 28,000 kg
____________________________________________________________

B.42 30,000 kg
____________________________________________________________

B.43 30,000 kg
____________________________________________________________
O.C. 1299-91, s. 17; O.C. 1412-98, s. 13.
§ 4.  — Single unit road vehicles with dumping mechanisms, backloading refuse-compacting trucks and snow removal vehicles
18. Where the load of a single unit road vehicle with a non-detachable dumping mechanism is sand, earth, gravel, stone, sodium chloride, snow, ice or hot mix asphalt, the maximum load prescribed for class B.21 of section 14 shall be increased until December 31, 2001, to 20,000 kg.
That maximum load shall also be increased, until December 31, 2001, to 20,000 kg where a road vehicle equipped with those axles is a single unit backloading refuse-compacting truck or a single unit road vehicle assigned to snow removal or ice removal from a public highway.
O.C. 1299-91, s. 18; O.C. 1412-98, s. 14; O.C. 1484-99, s. 1.
DIVISION IV
MAXIMUM TOTAL LOADED MASS
§ 1.  — General
19. The maximum total loaded mass of a road vehicle or combination of road vehicles shall be the lesser of:
(1)  the total loaded mass computed by adding the approved maximum axle loads in subparagraphs 1, 2 or 3 of the first paragraph of section 13 for each class of axles of that road vehicle without exceeding, for class B.1, 5,500 kg in the case of a tractor and 7,250 kg in the case of the other vehicles, for class B.3, 13,000 kg and for class B.2, 14,000 kg;
(2)  the total loaded mass prescribed by section 20.
O.C. 1299-91, s. 19.
20. The total loaded mass of a road vehicle or combination of road vehicles belonging to a class in Schedule A shall be as follows:


Class Total loaded mass


A.1 17,250 kg


A.2 25,250 kg


A.3 32,000 kg


A.4 31,000 kg minus 1,000 kg per 500 mm
under the 3-m length prescribed for this class


A.9 23,500 kg


A.10 25,500 kg


A.11 35,500 kg


A.12 41,500 kg


A.13 40,500 kg minus 1,000 kg per 500 mm
under the 4-m length prescribed for this class


A.19 41,500 kg


A.20 43,500 kg


A.21 42,500 kg minus 1,000 kg per 500 mm
under the 8-m length prescribed for this class


A.22 51,500 kg


A.23 50,500 kg minus 1,000 kg per 500 mm
under the 12-m length prescribed for this class


A.24 49,500 kg


A.25 48,500 kg minus 1,000 kg per 500 mm
under the 9.5-m length prescribed for this class


A.26 55,500 kg


A.27 54,500 kg minus 1,000 kg per 500 mm
under the 14.0-m length prescribed for this class


A.30 50,000 kg


A.31 49,000 kg minus 1,000 kg per 500 mm
under the 15.0-m length prescribed for this class


A.32 53,500 kg


A.33 52,500 kg minus 1,000 kg per 500 mm
under the 16.5-m length prescribed for this class


A.34 53,500 kg


A.35 52,500 kg minus 1,000 kg per 500 mm
under the 16.5-m length prescribed for this class


A.40 44,500 kg


A.41 43,500 kg minus 1,000 kg per 500 mm
under the 4-m length prescribed for this class


A.42 47,500 kg


A.43 46,500 kg minus 1,000 kg per 500 mm
under the 4.5-m length prescribed for this class


A.44 49,500 kg


A.45 48,500 kg minus 1,000 kg per 500 mm
under the 5.5-m length prescribed for this class


A.46 41,500 kg


A.47 40,500 kg minus 1,000 kg per 500 mm
under the 5.0-m length prescribed for this class


A.48 41,500 kg


A.49 40,500 kg minus 1,000 kg per 500 mm
under the 5.0-m length prescribed for this class


A.50 41,500 kg


A.51 40,500 kg minus 1,000 kg per 500 mm
under the 4-m length prescribed for this class


A.52 41,500 kg


A.53 40,500 kg minus 1,000 kg per 500 mm
under the 4-m length prescribed for this class


A.54 41,500 kg


A.55 40,500 kg minus 1,000 kg per 500 mm
under the 5-m length prescribed for this class


A.56 41,500 kg


A.57 40,500 kg minus 1,000 kg per 500 mm
under the 4-m length prescribed for this class


A.60 49,500 kg


A.61 48,500 kg minus 1,000 kg per 500 mm
under the 5.5-m length prescribed for this class


A.62 49,500 kg


A.63 48,500 kg minus 1,000 kg per 500 mm
under the 5-m length prescribed for this class


A.64 51,500 kg


A.65 50,500 kg minus 1,000 kg per 500 mm
under the 5-m length prescribed for this class


A.66 55,500 kg


A.67 54,500 kg minus 1,000 kg per 500 mm
under the 6-m length prescribed for this class


A.68 55,500 kg


A.69 54,500 kg minus 1,000 kg per 500 mm
under the 5.5-m length prescribed for this class


A.70 45,500 kg


A.71 44,500 kg minus 1,000 kg per 500 mm
under the 10-m length prescribed for this class


A.72 53,500 kg


A.73 52,500 kg minus 1,000 kg per 500 mm
under the 13.5-m length prescribed for this class


A.74 53,500 kg


A.75 53,500 kg minus 1,000 kg per 500 mm
under the 14-m length prescribed for this class


A.76 53,500 kg


A.77 52,500 kg minus 1,000 kg per 500 mm
under the 15.5-m length prescribed for this class


A.78 53,500 kg


A.79 52,500 kg minus 1,000 kg per 500 mm
under the 15.5-m length prescribed for this class


A.80 53,500 kg


A.81 52,500 kg minus 1,000 kg per 500 mm
under the 15.5-m length prescribed for this class


A.82 53,500 kg


A.83 52,500 kg minus 1,000 kg per 500 mm
under the 15.5-m length prescribed for this class


A.84 53,500 kg


A.85 52,500 kg minus 1,000 kg per 500 mm
under the 15.5-m length prescribed for this class


A.86 55,500 kg


A.87 58,500 kg


A.90 59,000 kg


A.91 58,000 kg minus 1,000 kg per 500 mm
under the 16.5-m length prescribed for this class


A.92 59,000 kg


A.93 58,000 kg minus 1,000 kg per 500 mm
under the 16.5-m length prescribed for this class


A.94 58,000 kg


A.95 57,000 kg minus 1,000 kg per 500 mm
under the 16.5-m length prescribed for this class


A.96 53,000 kg


A.97 52,000 kg minus 1,000 kg per 500 mm
under the 16-m length prescribed for this class

The maximum load prescribed for the combination of road vehicles belonging to class A.90 or A.91 shall be increased by 3,500 kg on autoroutes numbers 5, 10, 13, 15, 19, 20, 25, 30, 31, 35, 40, 50, 55, 73, 410, 440, 520, 540, 573, 640, 720, 740 and 955 on a divided public highway consisting of 2 lanes, each constituting the extension of one of those autoroutes and on the access roads of those autoroutes over a distance of not more than 2 km, measured from the exit from or entry to the autoroute as well as route 185.
O.C. 1299-91, s. 20; O.C. 1412-98, s. 15.
§ 2.  — “Special” class public highway
21. Subject to sections 22 and 23, on a public highway belonging to the “special” class, the maximum total loaded mass of a road vehicle or combination of road vehicles shall be computed by adding the maximum axle loads prescribed by section 13 for each class of axle of that vehicle or combination of road vehicles, without any increase other than that prescribed by section 17.
O.C. 1299-91, s. 21.
22. On a public highway belonging to the “special” class, the maximum total loaded mass of a combination of road vehicles belonging to classes A.40 to A.69 shall be computed by adding the maximum axle loads prescribed by section 13 for each class of axle of that combination of road vehicles increased by 10% without exceeding 60,000 kg.
O.C. 1299-91, s. 22.
23. On a public highway belonging to the “special” class, the maximum total loaded mass of a combination of road vehicles consisting of 3 vehicles shall be computed by adding the maximum axle loads prescribed by section 13 without any increase other than that prescribed by section 17, up to and including:
(1)  105,000 kg where the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is 28 m or more;
(2)  105,000 kg less the product of 1,200 kg per 300 mm under the 28 m length prescribed for paragraph 1.
O.C. 1299-91, s. 23.
DIVISION V
PERIODS OF THAW OR RAIN DETERMINED IN ACCORDANCE WITH SECTION 419 OF THE HIGHWAY SAFETY CODE
24. During a period of thaw or rain, the maximum axle load prescribed by sections 14, 17 and 18 shall be replaced by the following:


Class Axle load


B.1 9,000 kg


B.2 16,000 kg


B.3 15,000 kg


B.10 8,000 kg


B.20 8,000 kg


B.21 15,500 kg


B.25 11,000 kg


B.26 8,000 kg


B.30 15,500 kg


B.31 18,000 kg


B.32 21,000 kg


B.33 22,000 kg


B.33.1 15,500 kg


B.34 15,500 kg


B.35 15,500 kg


B.36 15,500 kg


B.37 15,500 kg


B.38 15,500 kg


B.39 15,500 kg


B.40 20,000 kg


B.41 22,000 kg


B.42 22,000 kg


B.43 24,000 kg


B.44 27,500 kg


B.45 27,500 kg


B.50 15,500 kg


B.51 15,500 kg


B.52 15,500 kg


B.53 15,500 kg


B.54 15,500 kg


B.55 15,500 kg


B.56 16,000 kg


B.57 23,000 kg

The maximum loads for axles of classes B.10 to B.57 shall be decreased by 1,000 kg per axle equipped with only 2 tires. Moreover, that maximum load shall be decreased, as the case may be, for classes B.31, B.32 and B.33, by 1,000 kg where the class of axles is made up of a group of axles equivalent to a triple axle.
O.C. 1299-91, s. 24; O.C. 1412-98, s. 16.
25. During a period of thaw or rain, the maximum total loaded mass of a road vehicle or combination of road vehicles shall be computed by adding the maximum axle loads prescribed by section 13 for the period of thaw or rain without exceeding, for class B.1, 5,500 kg in the case of a tractor and 7,250 kg in the case of other vehicles, for class B.2, 14,000 kg and for class B.3, 13,000 kg. It shall in no case exceed that prescribed by section 19 nor exceed 59,000 kg and 58,000 kg for the combinations of road vehicles belonging respectively to classes A.90 and A.91.
O.C. 1299-91, s. 25; O.C. 1412-98, s. 17.
26. Sections 24 and 25 shall not apply on a public highway belonging to the “special” class.
Sections 24 and 25 do not apply to tow trucks hauling another vehicle that has been in an accident or has broken down, been seized or abandoned and, in any case, without a load.
O.C. 1299-91, s. 26; O.C. 1412-98, s. 18.
DIVISION VI
TRANSITIONAL AND FINAL
27. Up to 31 December 1994, the maximum loads prescribed by section 14 for axles of a road vehicle of a model year prior to 1992 shall be increased to 17,500 kg for axles of classes B.2 and B.3, to 22,000 kg for those of class B.51, to 25,000 kg for those of classes B.37 and B.52, to 27,000 kg for those of classes B.38 and B.53 and to 29,000 kg for those of class B.54.
O.C. 1299-91, s. 27.
28. Up to 31 December 1994, the decrease by 1,000 kg prescribed by subparagraph 3 of the first paragraph of section 13 shall not apply to axles B.10 to B.55 of a road vehicle of a model year prior to 1992.
O.C. 1299-91, s. 28.
29. Up to 31 December 1994, the maximum loads prescribed by section 17 of axles of a road vehicle of a model year prior to 1992 shall be increased to 27,500 kg for those of classes B.33 and B.37, to 28,500 kg for those of class B.41 and to 29,500 kg for those of classes B.34 and B.38.
O.C. 1299-91, s. 29.
30. Up to 31 December 1994, the maximums of 5,500 kg, 7,250 kg, 13,000 kg and 14,000 kg prescribed by paragraph 1 of section 19 shall not apply to road vehicles of a model year prior to 1992 and that have not had, after 1 October 1991 any alteration made covered by section 214 of the Highway Safety Code (chapter C-24.2) and the maximum of 5,500 kg prescribed by section 25 shall be increased to 7,250 kg for those road vehicles.
O.C. 1299-91, s. 30.
31. Up to 31 December 1994, the maximum total loaded mass prescribed by section 20 of road vehicles of a model year prior to 1992 shall be increased to 18,500 kg for those of class A.1, to 28,500 kg for those of class A.2 and to 37,000 kg for those of classes A.3 and A.4.
For those of classes A.55, A.57 and A.65 of a semi-trailer of a model year prior to 1992, the maximum total loaded mass shall be increased to 50,000 kg, 52,000 kg and 53,000 kg where the application of section 20 does not allow those maximums to be reached.
O.C. 1299-91, s. 31.
32. Up to 31 December 1994, the distance of 11 m prescribed for class A.25 in section 20 shall be decreased to 9.8 m for a trailer of a model year prior to 1992.
O.C. 1299-91, s. 32.
33. Up to 31 December 2001, sections 13 to 25 shall not apply to the axles of a single unit road vehicle of a model year prior to 1992 that has not undergone, after 1 October 1991, any alteration covered by section 214 of the Highway Safety Code (chapter C-24.2) and that meets one of the following conditions:
(1)  it is equipped with a non-detachable dumping mechanism and carries sand, earth, gravel, stone, sodium chloride, snow, ice or hot mix asphalt;
(2)  it is assigned to the maintenance of a public highway;
(3)  it is a back loading refuse-compacting truck.
The maximum total loaded mass of that road vehicle shall be the least of:
(1)  the total loaded mass computed by adding the load maximums indicated by the manufacturer of tires for each class of axle up to 7,250 kg in the case of axles of class B.1, 14,000 kg in the case of axles of class B.2, 13,000 kg in the case of axles of class B.3, 10,000 kg in the case of axles of class B.10 or B.26, 18,000 kg in the case of axles of class B.21, 13,500 kg in the case of axles of class B.25, 18,000 kg in the case of axles of class B.50 without exceeding, for classes B.1, B.2 and B.3, the load maximum indicated by the road vehicle manufacturer;
(2)  the load indicated by the person that made the alterations to the vehicle, before 1 October 1991, with the approval of the Société de l’assurance automobile du Québec in accordance with paragraph 1 of section 214 of the Highway Safety Code;
(3)  17,250 kg where the road vehicle belongs to class A.1, 25,250 kg where it belongs to class A.2 or A.9, 32,000 kg where it belongs to class A.3 and 31,000 kg where it belongs to class A.4;
(4)  during a period of thaw or rain, 15,250 kg where the road vehicle belongs to class A.1, 22,750 kg where it belongs to class A.2 or A.9, 29,500 kg where it belongs to class A.3 and 28,500 kg where it belongs to class A.4. Those maximums shall be decreased by 1,000 kg where the vehicle is equipped with an axle of class B.3.
Where the load maximums indicated by the manufacturer or the load capacities indicated by the person that made alterations to vehicles may not be established for the purposes of applying subparagraphs 1 and 2 of the second paragraph, the maximums prescribed by subparagraph 3 shall be reduced to 15,500 kg where the road vehicle belongs to class A.1, to 23,500 kg where it belongs to class A.2 or A.9, to 29,000 kg where it belongs to class A.3 and to 28,000 kg where it belongs to class A.4.
Up to 31 December 2001, the maximum provided for in subparagraph 1 of the second paragraph for class B.21 and those provided for in subparagraph 3 of the second paragraph for classes A.2, A.3, A.4 and A.9 shall be increased to 2,000 kg.
For the purposes of this section, any maximum expressed in pounds shall be divided by 2.2046.
O.C. 1299-91, s. 33; O.C. 1412-98, s. 19; O.C. 1484-99, s. 1.
34. Up to 31 December 1999, the maximum dimension of any semi-trailer of a model year prior to 1992 shall be:
(1)  15.5 m for those where the distance between the centre of the king pin of the coupling device and the centre of the rear axle is 13 m or less;
(2)  14.65 m in all other cases.
The dimensions prescribed by the first paragraph do not include auxiliary equipment located in front of the semi-trailer, provided they do not increase the load volume of the road vehicle.
O.C. 1299-91, s. 34; O.C. 1412-98, s. 20.
35. Up to 31 December 2009, the first paragraph of section 10 shall not apply to a farm trailer owned by a farmer, of a model year prior to 1992 and designed and used to transport hay, grain, products to be sprayed, chemical fertilizer, manure, liquid manure or manure liquid and travelling elsewhere than on an autoroute.
O.C. 1299-91, s. 35; O.C. 1412-98, s. 21; O.C. 995-2010, s. 3.
36. Up to 31 December 1999, the maximum total loaded mass prescribed by section 20 shall be increased to 58,000 kg for classes A.96 and A.97 where the model year of the 2 semi-trailers forming a combination of road vehicles is prior to 1992.
O.C. 1299-91, s. 36.
37. (Revoked).
O.C. 1299-91, s. 37; O.C. 1412-98, s. 22.
37.1. Up to 31 December 2001, where the load of road vehicles of classes A.2, A.3 and A.4 is covered by section 18, the maximum loads prescribed in the first paragraph of section 20 shall be increased by 2,000 kg.
O.C. 1412-98, s. 23; O.C. 1484-99, s. 1.
37.2. Up to 31 December 1999, where the load of a road vehicle or a combination of road vehicles is raw timber, within the meaning of section 16, carried from the felling site to a primary processing plant, the maximums covered by the first paragraph of section 20 shall be increased by 2,000 kg for class A.2, 4,000 kg for classes A.12, A.13, A.60, A.61, A.64 and A.65, 3,750 kg for classes A.24 and A.25, 3,000 kg for classes A.42 to A.45, 13,000 kg for classes A.46, A.47, A.56 and A.57, 14,000 kg for classes A.48 and A.49, 6,000 kg for classes A.50, A.51, A.62 and A.63, 8,000 kg for classes A.52 and A.53 and 10,000 kg for classes A.54 and A.55.
O.C. 1412-98, s. 23.
37.3. Up to 31 December 1999, the maximum load prescribed by section 20 for classes A.24 and A.25 shall be increased by 1,750 kg in respect of the combinations of road vehicles not covered by section 37.2, where the trailer was assembled prior to November 1998.
O.C. 1412-98, s. 23.
37.4. Up to 31 December 2000, the maximum load prescribed by section 24 of axles of class B.32 shall be increased by 1,000 kg and that of axles of classes B.44 and B.45 shall be increased by 2,500 kg.
O.C. 1412-98, s. 23.
37.5. Up to 31 December 2009, the maximum length dimension of any trailer assembled before November 1998 shall be 14.65 m.
O.C. 1412-98, s. 23.
37.6. Up to 31 December 2009, the width dimension provided for in the first paragraph of section 10 shall be increased to 2.6 m for trailers and semi-trailers assembled prior to November 1998.
O.C. 1412-98, s. 23.
37.7. Up to 31 December 2009, the following provisions of this Regulation do not apply to a vehicle assembled before January 1999:
(1)  subparagraph a of subparagraph 7 of the first paragraph of section 4;
(2)  subparagraph c of subparagraph 8 of the first paragraph of section 4;
(3)  subparagraph b of subparagraph 9 of the first paragraph of section 4.
O.C. 1412-98, s. 23.
37.8. Up to 31 December 2009, the maximums provided for in subparagraphs 1 and 2 of the first paragraph of section 4 shall apply to motor vehicles and buses assembled before November 1998 where the distance measured between the centre of rotation of the axis of the last axle and the rear end of the vehicle, load included, is 5 m or less.
O.C. 1412-98, s. 23.
37.9. Up to 31 December 2009, the distance of 4 m provided for in subparagraph 6 of the first paragraph of section 4 does not apply to a road vehicle consisting of a towing vehicle and a single trailer assembled before November 1998.
O.C. 1412-98, s. 23.
37.10. Up to 31 December 2009, the load maximum prescribed by sections 14 and 24 for the axles of classes B.34, B.35 and B.39 of a road vehicle assembled before November 1998 shall be increased by 8,000 kg in a normal period and by 6,500 kg in a period of thaw.
Up to 31 December 2009, the load maximum prescribed by sections 14 and 24 for axles of class B.38 of a road vehicle assembled before November 1998 shall be increased by 6,000 kg in a normal period and by 5,500 kg in a period of thaw.
Up to 31 December 2004, the load maximum prescribed by sections 14 and 24 for axles of class B.35 shall be increased by 12,000 kg in a normal period and by 9,000 kg in a period of thaw in the case of thank semi-trailers and semi-trailers equipped with a non-detachable dumping mechanism.
The period of increase referred to in the third paragraph shall be extended to 31 December 2009 in the case of tank semi-trailer carrying liquids.
O.C. 1412-98, s. 23.
37.11. Up to 31 December 2009, the load maximum prescribed by section 20 for classes A.46 to A.49, A.56 and A.57 shall be increased by 8,000 kg in respect of the combinations of road vehicles where the semi-trailer was assembled prior to November 1998.
Up to 31 December 2009, the load maximum prescribed by section 20 for classes A.45 and A.55 shall be increased by 6,000 kg in respect of the combinations of road vehicles where the semi-trailer was assembled prior to November 1998.
Up to 31 December 2004, the load maximum prescribed by section 20 for classes A.48 and A.49 shall be increased by 12,000 kg in the case of tank semi-trailers and semi-trailers equipped with a non-detachable dumping mechanism.
The increasing period referred to in the third paragraph shall be extended to 31 December 2009 in the case of tank semi-trailers carrying liquids.
O.C. 1412-98, s. 23.
37.12. Up to 31 December 2009, the load maximum prescribed by sections 14 and 24 for class B.37 of a road vehicle assembled before November 1998 shall be increased by 4,000 kg in a normal period and by 3,500 kg in a period of thaw.
O.C. 1412-98, s. 23.
37.13. Up to 31 December 2009, the load maximum prescribed by section 20 for classes A.52 and A.53 shall be increased by 4,000 kg for a road vehicle assembled before November 1998.
O.C. 1412-98, s. 23.
37.14. Up to 31 December 2009, the 4.0 m length provided for in section 20 and in Schedule A for classes A.12 and A.13 shall be reduced to 3.0 m for a trailer or semi-trailer assembled before November 1998.
O.C. 1412-98, s. 23.
37.15. Up to 31 December 2009, the 5.5 m length provided for in section 20 and in Schedule A for classes A.44 and A.45 shall be reduced to 4.0 m for a semi-trailer assembled before November 1998.
O.C. 1412-98, s. 23.
38. This Regulation replaces the Vehicle Load and Size Limits Regulation (O.C. 2116-84, 84-09-19).
O.C. 1299-91, s. 38.
39. (Omitted).
O.C. 1299-91, s. 39.
The following classes of road vehicles and combinations of road vehicles are determined in accordance with the number, type and configuration of their axles.
A.1 Any single unit road vehicle with a front axle of class B.1 and a rear axle of class B.10 or 2 axles of class B.26, as shown below, belongs to this class:
A.2 Any single unit road vehicle with a front axle of class B.1 and, at the rear, a tandem axle or 2 axles of class B.25, as shown below, belongs to this class:
A.3 Any single unit road vehicle with a combination of 2 axles of class B.2 or B.3 and of a rear tandem axle where the distance between the centre of the rear axle of the front tandem axle or the front multiple axle and the centre of the front axle of the rear tandem axle is 3 m or more, as shown below, belongs to this class:
A.4 Any single unit road vehicle with a combination of 2 axles of class B.2 or B.3 and of a rear tandem axle where the distance between the centre of the rear axle of the front tandem axle or the front multiple axle and the centre of the front axle of the rear tandem axle is less than 3 m, as shown below, belongs to this class:
A.9 Any single unit road vehicle not belonging to a class already established belongs to this class:
A.10 Any tractor coupled to a semi-trailer or towing vehicle coupled to a trailer forming a combination of road vehicles with a front axle and 2 single axles, as shown below, belongs to this class:
A.11 Any towing vehicle coupled to a trailer forming a combination of road vehicles with a front axle and 3 single axles or a tractor coupled to a semi-trailer forming a combination of road vehicles with a front axle, single axle and tandem axle, as shown below, belongs to this class:
A.12 Any tractor coupled to a semi-trailer or any towing vehicle coupled to a trailer forming a combination of road vehicles with 5 axles, 4 of which form 2 tandem axles, where the distance between the centre of the rear axle of the first tandem axle and the centre of the front axle of the second tandem axle is 4 m or more, as shown below, belongs to this class:
A.13 Any tractor coupled to a semi-trailer or any towing vehicle coupled to a trailer forming a combination of road vehicles with 5 axles, 4 of which form 2 tandem axles, where the distance between the centre of the rear axle of the first tandem axle and the centre of the front axle of the second tandem axle is less than 4 m, as shown below, belongs to this class:
A.19 Any combination of road vehicles not belonging to a class already established or any combination of road vehicles with a self-steering axle located elsewhere than at the front of a combination of 3 or 4 axles under a semi-trailer or located elsewhere than at the front of a combination of 3 axles under a belongs to this class.
A.20 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 5 axles, 2 of which form tandem axles placed under the rear of the towing vehicle or under the rear of the trailer, where the distance between the centre of the front axle of the tandem axle and the centre of the rear axle of the trailer or that between the centre of the rear axle of the towing vehicle and the centre of the rear axle of the tandem axle is 8 m or more, as shown below, belongs to this class:
A.21 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 5 axles, 2 of which form a tandem axle placed under the rear of the towing vehicle or under the rear of the trailer, where the distance between the centre of the front axle of the tandem axle and the centre of the rear axle of the trailer or that between the centre of the rear axle of the towing vehicle and the centre of the rear axle of the tandem axle is less than 8 m, as shown below, belongs to this class:
A.22 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle under the rear of the towing vehicle, 3 of which are located under a trailer with a dolly, where the distance between the centre of the front axle of the tandem axle and the towing vehicle and the centre of the last axle of the trailer is 12 m or more, as shown below, belongs to this class:
A.23 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle under the rear of the towing vehicle, 3 of which are located under a trailer with a dolly, where the distance between the centre of the front axle of the tandem axle of the towing vehicle and the centre of the last axle of the trailer is less than 12 m, as shown below, belongs to this class:
A.24 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle under the rear of the towing vehicle, 3 of which are located under a trailer without a dolly, where the distance between the centre of the front axle of the tandem axle of the towing vehicle and the centre of the last axle of the trailer is 9.5 m or more, as shown below, belongs to this class:
A.25 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle under the rear of the towing vehicle, 3 of which are located under a trailer without a dolly, where the distance between the centre of the front axle of the tandem axle of the towing vehicle and the centre of the last axle of the trailer is less than 9.5 m, as shown below, belongs to this class:
A.26 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 7 axles, 6 of which form 3 tandem axles, where the distance between the centre of the front axle of the tandem axle of the towing vehicle and the centre of the last axle of the rear tandem axle of the trailer is 14 m or more, as shown below, belongs to this class:
A.27 Any tractor vehicle coupled to a trailer forming a combination of road vehicles with 7 axles, 6 of which form 3 tandem axles, where the distance between the centre of the front axle of the tandem axle to the towing vehicle and the centre of the last axle of the rear tandem axle of the trailer is less than 14 m, as shown below, belongs to this class:
A.30 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle under the rear of the towing vehicle, 2 of which are located under the trailer, where the distance between the leading and rear axles of the combination of road vehicles is 15 m or more, as shown below, belongs to this class:
A.31 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle under the rear of the towing vehicle, 2 of which are located under the trailer, where the distance between the leading and rear axles of the combination of road vehicles is less than 15 m, as shown below, belongs to this class:
A.32 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 7 axles, 2 of which are of class B.2 or class B.3, 2 of which form the tandem axle under the rear of the towing vehicle, 3 of which are located under the trailer, where the distance between the leading and rear axles of the combination of road vehicles is 16.5 m or more, as shown below, belongs to this class:
A.33 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 7 axles, 2 of which are of class B.2 or class B.3, 2 of which form the tandem axles under the rear of the towing vehicle, 3 of which are located under the tractor, where the distance between the leading and rear axles of the combination of road vehicles is less than 16.5 m, as shown below, belongs to this class:
A.34 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 8 axles, 2 of which are of class B.2 or B.3, the 6 other of which form 3 tandem axles, where the distance between the leading and rear axles of the combination of road vehicles is 16.5 m or more, as shown below, belongs to this class:
A.35 Any towing vehicle coupled to a trailer forming a combination of road vehicles with 8 axles, 2 of which are of class B.2 or B.3, the other 6 of which form 3 tandem axles, where the distance between the leading and rear axles of the combination of road vehicles is less than 16.5 m, as shown below, belongs to this class:
A.40 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.31, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.31 is 4 m or more, as shown below, belongs to this class:
A.41 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.31, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.31 is less than 4 m, as shown below, belongs to this class:
A.42 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.32, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.32 is 4.5 m or more, as shown below, belongs to this class:
A.43 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.32, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.32 is less than 4.5 m, as shown below, belongs to this class:
A.44 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.33 or B.33.1, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.33 or B.33.1 is 5.5 m or more, as shown below, belongs to this class:
A.45 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.33 or B.33.1, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.33 or B.33.1 is less than 5.5 m, as shown below, belongs to this class:
A.46 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.34, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.34 is 5 m or more, as shown below, belongs to this class:
A.47 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.34, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.34 is less than 5 m, as shown below, belongs to this class:
A.48 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.35, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.35 is 5 m or more, as shown below, belongs to this class:
A.49 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.35, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.35 is less than 5 m, as shown below, belongs to this class:
A.50 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.36 or B.51, where the distance between the centre of the rear axle of the tandem axle and the centre of the first axle of class B.36 or B.51 is 4 m or more, as shown below, belongs to this class:
A.51 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.36 or B.51, where the distance between the centre of the rear axle of the tandem axle and the centre of the first axle of class B.36 or B.51 is less than 4 m, as shown below, belongs to this class:
A.52 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.37 or B.52, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.37 or B.52 is 4 m or more, as shown below, belongs to this class:
A.53 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.37 or B.52, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.37 or B.52 is less than 4 m, as shown below, belongs to this class:
A.54 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.38 or B.53, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.38 or B.53 is 5 m or more, as shown below, belongs to this class:
A.55 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.38 or B.53, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.38 or B.53 is less than 5 m, as shown below, belongs to this class:
A.56 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.39 or B.54, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.39 or B.54 is 4 m or more, as shown below, belongs to this class:
A.57 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the tractor, 3 of which are of class B.39 or B.54, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.39 or B.54 is less than 4 m, as shown below, belongs to this class:
A.60 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.41, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.41 is 5.5 m or more, as shown below, belongs to this class:
A.61 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.41, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.41 is less than 5.5 m, as shown below, belongs to this class:
A.62 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.42, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.42 is 5 m or more, as shown below, belongs to this class:
A.63 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.42, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.42 is less than 5 m, as shown below, belongs to this class:
A.64 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.43, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.43 is 5 m or more, as shown below, belongs to this class:
A.65 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.43, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.43 is less than 5 m, as shown below, belongs to this class:
A.66 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.44, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of category B.44 is 6 m or more, as shown below, belongs to this class:
A.67 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.44, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.44 is less than 6 m, as shown below, belongs to this class:
A.68 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.45, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.45 is 5.5 m or more, as shown below, belongs to this class:
A.69 Any tractor coupled to a semi-trailer forming a combination of road vehicles with 7 axles, 2 of which form a tandem axle at the rear of the tractor, 4 of which are of class B.45, where the distance between the centre of the rear axle of the tandem axle and the centre of the first of the axles of class B.45 is less than 5.5 m, as shown below, belongs to this class:
A.70 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 5 single axles, where the distance between the centre of the rear axle of the tractor and the centre of the rear axle of the combination of road vehicles is 10 m or more, as shown below, belongs to this class:
A.71 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 5 single axles, where the distance between the centre of the rear axle of the tractor and the centre of the rear axle of the combination of road vehicles is less than 10 m, as shown below, belongs to this class:
A.72 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the combination, where the distance between the centre of the rear axle of the tractor and the centre of the rear axle of the combination of road vehicles is 13.5 m or more, as shown below, belongs to this class:
A.73 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle at the rear of the combination, where the distance between the centre of the rear axle of the tractor and the centre of the rear axle of the combination of road vehicles is less than 13.5 m, as shown below, belongs to this class:
A.74 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle of the tractor, where the distance between the centre of the front axle of the tractor tandem and the centre of the rear axle of the combination of road vehicles is 14 m, as shown below, belongs to this class:
A.75 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle of the tractor, where the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is less than 14 m, as shown below, belongs to this class:
A.76 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 6 axles, 2 of which form the tandem axle under the semi-trailer, where the distance between the centre of the rear axle of the tractor tandem and the centre of the rear axle of the combination of road vehicles is 15.5 m or more, as shown below, belongs to this class:
A.77 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 6 axles, 2 of which form a tandem axle under the semi-trailer, where the distance between the centre of the rear axle of the tractor and the centre of the rear axle of the combination of road vehicles is less than 15.5 m, as shown below, belongs to this class:
A.78 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 7 axles, 4 of which form 2 tandem axles, one placed at the rear of the semi-trailer and the other at the rear end of the combination of raod vehicles, where the distance between the centre of the rear axle of the tractor and the centre of the last axle of the combination of road vehicles is 15.5 m or more, as shown below, belongs to this class:
A.79 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 7 axles, 4 of which form 2 tandem axles, one of them placed at the rear of the semi-trailer and the other at the rear end of the combination of road vehicles, where the distance between the rear axle of the tractor and the centre of the last axle of the combination of road vehicles is less than 15.5 m, as shown below, belongs to this class:
A.80 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 7 axles, 4 of which form 2 tandem axles, one of them placed at the rear of the tractor, the other at the rear of the semi-trailer, where the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is 15.5 m or more, as shown below, belongs to this class:
A.81 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 7 axles, 4 of which form 2 tandem axles, one of them placed at the rear of the tractor, the other at the rear of the semi-trailer, where the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is less than 15.5 m, as shown below, belongs to this class:
A.82 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 8 axles, 6 of which form 3 tandem axles, one of them placed at the rear of the tractor, the second one at the rear of the semi-trailer and the last one placed at the rear of the combination of road vehicles, where the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is 15.5 m or more, as shown below, belongs to this class:
A.83 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 8 axles, 6 of which form 3 tandem axles, one of them placed at the rear of the tractor, the second one at the rear of the semi-trailer and the last one placed at the rear of the combination of road vehicles, where the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is less than 15.5 m, as shown below, belongs to this class:
A.84 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 9 axles, 8 of which form 4 tandem axles, where the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is 15.5 m or more, as shown below, belongs to this class:
A.85 Any tractor coupled to a semi-trailer and a trailer with a dolly forming a combination of road vehicles with 9 axles, 8 of which form 4 tandem axles, where the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is less than 15.5 m, as shown below, belongs to this class:
A.86 Any combination of road vehicles forming a Type C double train with 7 axles, 4 of which form 2 tandem axles, composed of a tractor, a semi-trailer and a trailer with a double drawbar dolly and meeting the following specifications, belongs to this class:
(1) the tractor has 2 axles or, as the case may be, 3 axles, 2 of which form a tandem axle;
(2) the distance between the axes of the axles of the tandems, including that included in class B.57, is not more than 1.85 m;
(3) the distances between the centre of interaxle spacings belonging to various groups of axles on the combination of road vehicles shall be at least:
(a) 5 m between the tandem of the tractor and that under the first semi-trailer;
(b) 3 m in other cases;
(4) the distance between the centre of the single axle or the tandem axle of the semi-trailer and the centre of the pintle hooks is not more than 1.8 m;
(5) the distance between the centre of the king pin and the centre of their single axle or the centre of their tandem axle is not less than 6.25 m;
(6) the dolly is equipped with a single axle and meets the requirements of section 903 of the Motor Vehicle Safety Regulations (C.R.C., c. 1038);
(7) attachment to the semi-trailer with the lowest loaded mass, determined by the sum of axle loads measured under the wheels of the combination of vehicles which distribute their respective mass of semi-trailers, form a trailer with the dolly, as shown below:
A.87 Any combination of road vehicles forming a Type C double train with 8 axles, 6 of which form 3 tandem axles, composed of a tractor, a semi-trailer and a trailer with a double drawbar dolly and meeting the specifications of class A.86, as shown below, belongs to this class:
A.90 Any combination of road vehicles forming a Type B double train with 8 or 9 axles, composed of a tractor and a semi-trailer on which the front of a second semi-trailer rests and meeting the following specifications, belong to this class:
(1) the tractor has 3 axles, 2 of which form a tandem axle, and where the distance between the axes of the axles of the tandem is not more than 1.85 m;
(2) each semi-trailer has either one tandem axle, where the distance between the axes of the axles is not more than 1.85 m, or has a triple axle, where the distance between the axes of the leading and rear axles is not more than 3.1 m;
(3) the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is 16.5 m or more;
(4) the distances between the centre of adjoining axles belonging to various groups of axles on the combination of road vehicles shall be at least:
(a) 5 m between 2 tandem axles;
(b) 5.5 m between a tandem axle and a triple axle;
(c) 6 m between 2 triple axles.
as shown below:
A.91 A combination of road vehicles meeting the specifications of class A.90, except for specification concerning the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles, which specification is less than 16.5 m, as shown below, belongs to this class:
A.92 Any combination of road vehicles forming a Type B double train with 7, 8 or 9 axles, composed of a tractor and a semi-trailer on which the front of a second semi-trailer rests and meeting the following specifications without meeting all the specifications of class A.90, belong to that class:
(1) the tractor has 3 axles, 2 of which form a tandem axle, and where the distance between the axes of the axles of the tandem is not more than 1.85 m;
(2) each semi-trailer has either one tandem axle, one triple axle, or, for one only, a group of axles equivalent to a triple axle;
(3) the distance between the axes of the leading and rear axles of each group of axles is not more than 3.1 m;
(4) the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles is 16.5 m or more;
(5) the distance between the centre of adjoining axles belonging to different groups of axles on the combination of road vehicles shall be at least:
(a) 4 between the last axles of the first semi-trailer and the first axle of the tandem of the second semi-trailer;
(b) 5 m between the last axle of the tractor and the first axle of the first semi-trailer and between the last axle of the first semi-trailer and the first axle of the first semi-trailer and the first axle of the triple axle of the second semi-trailer or of the group of axles are equivalent to the triple axle, as shown below:
A.93 The combination of road vehicles meeting the specifications of class A.92 except for the specification concerning the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles, which specification is less than 16.5 m, as shown below, belongs to this class:
A.94 The combination of road vehicles meeting the specifications of class A.92 except that it has under one or both semi-trailers a combination of axles formed of a single axle and a tandem axle, as shown below, belongs to this class:
A.95 The combination of road vehicles meeting the specifications of class A.94, except the specification concerning the distance between the centre of the front axle of the tandem of the tractor and the centre of the rear axle of the combination of road vehicles, which specification is less than 16.5 m, as shown below, belongs to this class:
A.96 Any combination of road vehicles forming a Type B double train, with 5, 6, 7, 8 or 9 axles, composed of a tractor and a semi-trailer on which the front of a second semi-trailer rests, that does not belong to any of classes A.90 to A.95, and where the distance between the centre of the second axle of the tractor and the centre of the rear axle of the combination of road vehicles is 16 m or more, as shown below, belongs to this class:
A.97 Any combination of road vehicles forming a Type B double train, with 5, 6, 7, 8 or 9 axles, composed of a tractor and a semi-trailer on which the front of a second semi-trailer rests, that does not belong to any of classes A.90 to A.95, where the distance between the centre of the second axle of the tractor and the centre of the rear axle of the combination of road vehicles is less than 16 m, as shown below, belongs to this class:
For the purposes of classes A.92 and A.93, a group of axles is the equivalent of a triple axle where it is formed of 3 equally spaced axles, comprising at the front a lowered lift axle, attached to the vehicle by suspensions designed to distribution equally, without possible adjustment, to about 1,000 kg where the lift axle is lowered, the mass that can be measured under the wheels of each axle.
For the purposes of classes A.11 to A.13, A.20 to A.35 and A.70 to A.87, all axles under a trailer, except where the trailer is equipped with a dolly, belong to the same class.
O.C. 1299-91, Sch. A; O.C. 1412-98, s. 24.
The following classes of axles are established in accordance with the position of an axle or group of axles on a road vehicle, the distance between the axes of the axles and their mechanical specifications:
B.1 “front single axle”: any single axle that is at the front of a road vehicle or a combination of road vehicles and that is operated by the steering wheel belongs to this class.
B.2 “front tandem axle”: any tandem axle that is at the front of a road vehicle or a combination of road vehicles and that is operated by the steering wheel belongs to this class.
B.3 “front multiple axle”: any combination of 2 axles or more that does not belong to class B.2, that is at the front of a road vehicle or a combination of road vehicles and that is operated by the steering wheel belongs to this class.
B.10 Any single axle not belonging to another class belongs to this class.
B.20 Any combination of 2 or more axles where the distance between the leading and rear axles is less than 1.2 m belongs to this class.
B.21 Any tandem axle not belonging to another class where the distance between the axes of the axles is 1.2 m or more belongs to this class.
B.25 Any combination of 2 single axles located under a same vehicle not belonging to class B.26 where the distance between the axes is 1.2 m or more but less than 2.4 m belongs to this class.
B.26 Any combination of 2 axles, one of which is the lowered donkey type, belongs to this class.
B.30 Any combination of 3 or more axles where the distance between the leading and rear axles is more than 1.2 m but less than 2.4 m belongs to this class.
B.31 Any triple axle or a group of equivalent axles where the distance between the axes of the leading and rear axles of the combination is 2.4 m or more but less than 3 m belongs to this class.
B.32 Any triple axle or a group of equivalent axles where the distance between the axes of the leading and rear axles of the combination is 3 m or more but less than 3.6 m belongs to this class.
B.33 Any triple axle or a group of equivalent axles where the distance between the axes of the leading and rear axles of the combination is 3.6 m or more but less than or equal to 3.7 m belongs to this class.
B.33.1 Any triple axle or group of equivalent axles where the distance between the axes of the rear axles of the combination is more than 3.7 m but less than 4.2 m belongs to this class.
B.34 Any triple axle or a group of equivalent axles where the distance between the axes of the leading and rear axles of the combination is 4.2 m or more but less than 4.8 m belongs to this class.
B.35 Any triple axle or a group of equivalent axles where the distance between the axes of the leading and rear axles of the combination is 4.8 m or more belongs to this class.
B.36 Any combination of axles formed of a single axle at the front of a tandem axle, located under a single unit vehicle, under a towing vehicle or under a semi-trailer or a trailer not equipped with a dolly where the distance between the axes of the leading and rear axles of the combination is 3 m or more but less than 3.6 m belongs to this class.
B.37 Any combination of axles formed of a single axle at the front of a tandem axle, located under a single unit vehicle, under a towing vehicle or under a semi-trailer or a trailer not equipped with a dolly where the distance between the axes of the leading and rear axles is 3.6 m or more but less than 4.2 m belongs to this class.
B.38 Any combination of axles formed of a single axle at the front of a tandem axle, located under a single unit vehicle, under a towing vehicle or under a semi-trailer or a trailer not equipped with a dolly where the distance between the axes of the leading and rear axles is 4.2 m or more but less than 4.8 m belongs to this class.
B.39 Any combination of axles formed of a single axle at the front of a tandem axle, located under a single unit vehicle, under a towing vehicle or under a semi-trailer or a trailer not equipped with a dolly where the distance between the axes of the leading and rear axles is 4.8 m or more belongs to this class.
B.40 Any combination of 4 or more axles where the distance between the axes of the leading and rear axles is at least 2.4 m but less than 3.6 m belongs to this class.
B.41 Any combination of 4 or more axles, located under a single unit vehicle, under a towing vehicle or under a semi-trailer, where the distance between the axes of the leading and rear axles is at least 3.6 m but less than 4.2 m belongs to this class.
B.42 Any combination of 4 or more axles, located under a single unit vehicle, under a towing vehicle or under a semi-trailer, where the distance between the leading and rear axles is at least 4.2 m but less than 4.8 m belongs to this class.
B.43 Any combination of 4 axles or more, located under a single unit vehicle, under a towing vehicle or under a semi-trailer that does not belong to another class and where the distance between the axes of the leading and rear axles is 4.8 m or more belongs to this class.
B.44 Any combination of 4 axles located under a single unit vehicle, under a towing vehicle or under a semi-trailer formed:
(1) of a self-steering axle which, until the year 2015, can be replaced by a single axle on vehicles assembled before January 2003 located at the front of the combination of axles at a distance of at least 2.4 m from the others; and
(2) of a triple axle where the distance between the axes of the leading and rear axles is 3 m or more but less than 3.6 m belongs to this class.
B.45 Any combination of 4 axles located under a single unit vehicle, under a towing vehicle or under a semi-trailer formed:
(1) of a self-steering axle which, until the year 2015, can be replaced by a single axle on vehicle assembled before January 2003 located at the front of the combination of axles at a distance of at least 2.4 m from the others; and
(2) of a triple axle where the distance between the axes of the leading and rear axles is 3.6 m or more but less than or equal to 3.7 m belongs to this class.
B.50 Any combination of axles formed of a single axle and a tandem axle where the distance between the axes of the leading and rear axles of the combination is 2.4 m or more but less than 3 m belongs to this class.
B.51 Any combination of axles formed of a single axle at the rear of a tandem axle, located under a single unit vehicle, under a towing vehicle or under a semi-trailer or a trailer not equipped with a dolly where the distance between the axes of the leading and rear axles is 3 m or more but less than 3.6 m belongs to this class.
B.52 Any combination of axles formed of a single axle at the rear of a tandem axle, located under a single unit vehicle, under a towing vehicle or under a semi-trailer or a trailer not equipped with a dolly where the distance between the axes of the leading and rear axles is 3.6 m or more but less than 4.2 m belongs to this class.
B.53 Any combination of axles formed of a single axle at the rear of a tandem axle, located under a single unit vehicle, under a towing vehicle or under a semi-trailer or a trailer not equipped with a dolly where the distance between the axes of the leading and rear axles is 4.2 m or more but less than 4.8 m belongs to this class.
B.54 Any combination of axles formed of a single axle at the rear of a tandem axle, located under a single unit vehicle, under a towing vehicle or under a semi-trailer or a trailer not equipped with a dolly where the distance between the axes of the leading and rear axles is 4.8 m or more belongs to this class.
B.55 Any combination of 2 or more single axles under a single unit road vehicle, under a towing vehicle, under a semi-trailer or under a trailer not equipped with a dolly where the distance between the axes of the rear axles is 2.4 m or more belongs to this class.
B.56 Any combination of 2 single axles where one is located at the rear of the first semi-trailer of a Type C double train referred to in class A.86 and the other one under the dolly of the trailer, and where the distance between the axes is less than 3 m belongs to this class.
B.57 Any combination of 3 axles, 2 of which form a tandem axle located at the rear of the first semi-trailer of a Type C double train referred to in class A.86 or A.87 and the other one under the dolly of the trailer, and where the distance between the axes of the last axle of the tandem axle and the axle of the dolly is less than 3 m belongs to this class.
For the purposes of classes B.31 to B.35, a group of axles is the equivalent of a triple axles where it is formed of 3 equally spaced axles, comprising at the front a lowered lift axle, attached to the vehicle by suspensions designed to distribute equally, without possible adjustment, to about 1,000 kg where the lift axle is lowered, the mass that can be measured under the wheels of each axle.
For the purposes of this Schedule, the wheels that are not attached to an axle but that are attached under the vehicle in a common axis of rotation shall be included in the classes of axles.
On the vehicles assembled after June 1998, the axle referred to in paragraph 1 of B.44 or B.45 shall, in addition, be attached by a suspension designed to distribute evenly within 1,000 kg when the lift axle is lowered, without any possible adjustment, the mass that can be measured under the wheels of each axle. On the vehicles assembled after December 2002, that axle shall, in addition, be a self-steering axle.
From 1 January 2015, only the self-steering axle will remain prescribed by paragraph 1 of classes B.44 and B.45.
O.C. 1299-91, Sch. B; O.C. 1412-98, s. 25.
PUBLIC HIGHWAY “SPECIAL” CLASS
The following belongs to this class:
1. The public road leading to James Bay and beginning at the intersection of chemin du parc industriel and Highway 109 connecting Amos to Matagami, which intersection is located at chain number 145-19.
O.C. 1299-91, Sch. C.
EXEMPTED CLASS
The following belongs to this class:
(1) the intersection of Chemin Manouane and Chemin Des Aulnaies in Municipalité de Saint-Michel-des-Saints.
O.C. 1412-98, s. 26.
REFERENCES
O.C. 1299-91, 1991 G.O. 2, 3630
O.C. 1412-98, 1998 G.O. 2, 4430
O.C. 1484-99, 1999 G.O. 2, 5098
O.C. 995-2010, 2010 G.O. 2, 3187