2. The prohibition on commercial advertising along a public highway referred to in section 1 applies to the following places, even if the speed posted is reduced in those places to less than 70 km/h :(1) in interchanges and within a distance of 200 metres before and after the approach nose of an exit ramp or entrance ramp ;
(2) at intersections and within a distance of 200 metres before and after intersections ;
(3) in sharp curves and in school zones and within a distance of 100 metres before and after the road or traffic signs or signals erected on either side of the curves and the school zones.