Dimensions
| Restriction | Maximum dimensions | |
| Maximum width |  | 6.0 m* |
| Maximum height |  | 4.5 m* |
| Maximum length |  | - |
Vehicles that exceed the dimensions listed above are automatically refused by the Société des traversiers du Québec (STQ).
Trucks with dimensions exceeding those shown above will automatically be denied boarding by Société des traversiers du Québec (STQ).
Drivers of trucks with dimensions not exceeding those shown above and holding a special permit with respect to such dimensions are required to contact local ferry management to verify their crossing. In addition to the restrictions in terms of vehicle cross-section and length, other specific considerations may lead to travel being denied or delayed. Contact information for local ferry management is available here.
You are required to confirm the approximate date and time of your crossing with local ferry management at least 24 business hours ahead of the expected date of travel. STQ will then forward written authorization for travel.
The truck driver must present this authorization to the STQ boarding attendant, failing which travel will be denied.
Load limits
| Maximum load | ||
| Single axle | ||
| Does not require written authorization from STQ |  | Less than 10,500 kg |
| Requires written authorization from STQ | | Between 10,500 and 13,100 kg |
| Tandem or triple axle | ||
| Does not require written authorization from STQ |  | Less than 18,000 kg |
| Requires written authorization from STQ | | Between 18,000 and 22,500 kg |
| Total weight | ||
| Overloaded vehicles prohibited |  | |
Boarding facilities
| Maximum load | ||
| Total weight | ||
| Overloaded vehicles prohibited | | |
Trucks with at least one maximum load per axle exceeding the maximum loads shown must request approval to travel and obtain the requisite authorizations from Quebec’s Ministère des Transports, de la Mobilité Durable et de l’Électrification des Transports (MTMDET) through Société de l’assurance automobile du Québec (SAAQ).
The truck driver must present written authorization for the crossing to the boarding attendant, failing which travel will be denied.
Note that any request for approval to travel indicating one or more loads exceeding the maximums shown above will automatically be denied by STQ.