From time to time Alberta's roads are restricted because of construction, maintenance or seasonal conditions such as the spring thaw.

Please see the Licenses, Permits and Applications service for programs associated with the use of provincial highways.

Road restrictions

This section provides information about route restrictions due to dimensional constraints of highways because of overhead structures and bridge maintenance projects.

Directory of road authorities

Restricted Bridge List

Vertical Bridge Clearances

Legal weights and dimensions

This section provides information for the trucking industry about the weight and dimension regulations in Alberta. Legal weights and dimensions are needed to balance the capacity and geometric capabilities of the infrastructure with maximum economic benefits while ensuring road safety.

Commercial vehicle – Weight and dimension regulations

Road bans

Alberta's roads are restricted to reduced-axle-weights due to seasonal conditions such as the spring thaw. Restrictions help preserve the life span of Alberta's roads.

Road Bans