Weight limits, dimensions as well as the number of hours you can drive have been established to keep highways safe in Saskatchewan. Discover trucking regulations, standards, truck and configurations.
The regulations limiting weights and dimensions on public highways are established through the The Highways and Transportation Act. There are more than 17 different truck configurations used by the transportation industry.
Weight and Dimensions Restrictions
- Loaded vehicles must not travel on the shoulder of the highway unless otherwise specified.
- Public structures or highway construction may restrict travel of oversize or overweight loads.
- “D” signs on escort vehicles must not be displayed unless they are required by permit.
- All vehicles are subject to any weight restriction imposed by law or regulation such as The Highways and Transportation Act.
- Permits and/or permit numbers must be available in the vehicle and produced to a peace officer or authorized Ministry representative upon request.
- At night, rear facing red lights must mark the end of any load extending beyond the side 30cm or more, and extending beyond the rear 1m or more, of the extremities of the vehicle. Side extremity must also have a forward facing amber lamp.
- The vehicle may be equipped with extendible load marking lights.
- Direct crossing of a provincial highway is allowed on restricted travel days (Sunday afternoons, public holidays, etc.) if a flag person is used.
- Sunrise and sunset are defined by the National Research Council’s Herzberg Institute of Astrophysics.
- Certain loads may require specific conditions or travel time restrictions. For more details contact the permit office.
- As a minimum, all loads are to be secured in accordance with The Security of Loads Regulations.
- Farm machinery and equipment have specific policies separate from this section.
- Mobile homes and building moves have separate policies.
Useful Manuals and Guides
All automobile wreckers operating in the province are required to have a valid license. To obtain an automobile wrecking license, please contact (306) 787-1033.
- The maximum allowable vehicle loaded weight is dependent on highway classification, maximum registered gross vehicle weight for vehicles, tire size and axle spacing.
- Maximum gross vehicle weights are necessary for the protection of bridges.
- Maximum weights on axles or axle groups are necessary for the protection of bridges and pavements.
- Maximum tire weights are necessary for the protection of pavements and roadbeds.
- Maximum dimensions are necessary for the protection of bridges, overpasses, etc. and to protect the other users of highways by allowing the safe travel of the general public.
- Internal dimension limits are necessary to ensure that vehicles are designed to achieve desired levels of stability.
- The information provides general conditions for over-length loads, over-width loads, over-height loads, over-dimension loads, and travel time restrictions.
Additional information can be obtained by contacting the inquiry line: 1-866-933-5290 in Saskatchewan or 306-933-5290 outside the province.