Matters regarding the issuance of transport permits (bulk, general or specialized) and the registration of heavy vehicles are under the jurisdiction of the Commission des transports du Québec.
Questions related to maintenance, repair, speed limits, traffic lights and street lights in the local network are under the jurisidiction of the muncipalities.
Matters concerning air traffic, pilot licences, and the inspection and return of vehicles are under the authority of Transport Canada.
Matters related to driver's licences, vehicle registration, mechanical inspections of vehicles, weighing stations and road checks, passenger road safety and claims concerning bodily injuries in accidents are under the jurisdiction of the Société de l'assurance automobile du Québec (SAAQ).