291. The person responsible for the maintenance of a public highway may, by means of proper signs or signals, restrict or prohibit the use of the highway by all or certain heavy vehicles, in particular, heavy vehicles having dimensions or a number of axles that exceed the maximum limits authorized. Where that person is responsible for the maintenance of a bridge or viaduct, the person may also restrict or prohibit the use of the bridge or viaduct by heavy vehicles having a mass that exceeds the maximum limits authorized on the infrastructure.
In the case of a municipality, that power is exercised by by-law or, where the law so authorizes, by ordinance, the coming into force of which is subject to the approval of the Minister of Transport under section 627, except in an emergency; in the absence of approval, the Minister may remove the unauthorized sign or signal.
No person may drive a vehicle referred to in the first paragraph on a public highway on which traffic is restricted or prohibited unless the vehicle is used to maintain the highway or to install or maintain public utilities on the highway.
1986, c. 91, s. 291; 1995, c. 25, s. 1; 1998, c. 40, s. 84.