In Quebec, any load that exceeds the legal size or weight limits requires an oversize/overweight permit before it moves. Below are the legal limits and the requirements that apply at each threshold.
1When you need a permit
A load is oversize or overweight once it passes any of these:
| Dimension | Quebec legal limit | Permit if over |
|---|---|---|
| Width | 8 ft 6 in | Wider |
| Height | 13 ft 7 in | Taller |
| Length (combination) | 82 ft | Longer |
| Gross weight | 62,500 lbs | Heavier |
| Single axle | 18,740 lbs | Heavier |
| Tandem axle | 37,480 lbs | Heavier |
Rear overhang is limited to 6.56 ft and front overhang to 6.56 ft before it counts toward length, and any overhang must be flagged.
2Escort & pilot car requirements
| When the load reaches… | Quebec requires |
|---|---|
| 12.25 ft wide | 1 escort (pilot car) |
| 14.44 ft wide | 2 escorts |
| 14.75 ft high | Escort with a height pole / pole car |
| 90 ft long | 1 escort · 131 ft → 2 escorts |
| 14 ft 9 in high or 15 ft wide | Route survey required |
| 17.4 ft wide | Police escort |
3When you can travel
- Daylight only — 30 min before sunrise to 30 min after sunset.
- Weekend travel allowed within dimensional limits.
- Holiday blackouts: New Year's Day, Good Friday, Easter Monday, Victoria Day, St-Jean-Baptiste Day, Canada Day, Labour Day, Thanksgiving, Christmas, Boxing Day.
4Superloads in Quebec
A load is a superload once it exceeds any of these:
| Superload trigger | Threshold |
|---|---|
| Width | 15 ft |
| Height | 16 ft 5 in |
| Length | 115 ft |
| Gross weight | 250,000 lbs |
Superloads require a route survey and roughly 10 days of lead time for approval.
5Permit timing
- Standard single-trip: ~5 business days to issue.
- Superload: ~10 days (route survey + review).
- Validity: a single-trip permit is good for ~7 days.
Get the full cost of your load
FreightDeck estimates every cost on an oversize move — permits, escorts, police, route survey, engineering, and the truck rate — for your exact load and route, across all 48 states and Canada, up to superload size.
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?Quebec permit FAQ
When do I need an oversize permit in Quebec?
Once a load exceeds any legal limit: 8 ft 6 in wide, 13 ft 7 in high, 82 ft long (combination), or 62,500 lbs gross.
When do I need a pilot car in Quebec?
Quebec requires one escort at 12.25 ft wide (two at 14.44 ft), a height pole at 14.75 ft high, and a police escort at 17.4 ft wide.
Can you drive an oversize load at night in Quebec?
No — oversize loads move daylight-only, 30 min before sunrise to 30 min after sunset. Weekend travel is allowed within limits.
What counts as a superload in Quebec?
Over 15 ft wide, 16 ft 5 in high, 115 ft long, or 250,000 lbs gross. It requires a route survey and about 10 days of lead time.
How much does a Quebec oversize permit cost?
The state permit fee depends on the load's size and weight. The full cost of a move also includes escorts, police, route surveys, engineering, and the truck rate, which vary by route. FreightDeck estimates all of it for your exact load — price your Quebec load with FreightDeck →.
Sources
- https://www.transports.gouv.qc.ca/en/camionnage/permis-speciaux/exces-charges-dimensions/Pages/exces-charges-dimensions.aspx
- https://www.transports.gouv.qc.ca/en/camionnage/permis-speciaux/exces-charges-dimensions/Documents/Guide-special-permit-simplified.pdf
- https://saaq.gouv.qc.ca/transport-biens/permis-special-circulation
- https://www.legisquebec.gouv.qc.ca/en/document/cr/c-24.2,%20r.%2035