Permits Canada obtains oversize and overweight permits for Ontario for trucks and loads over the legal width, height, length or weight.
Ontario legal dimensions and weight
A truck and load within these limits needs no oversize or overweight permit in Ontario.
| Width | 2.6 m (8 ft 6 in) |
|---|---|
| Height | 4.15 m (13 ft 7 in) |
| Length | 23 m (75 ft 6 in) overall for a combination including load (tractor-semitrailer); semitrailer max 16.15 m (53 ft) for SPIF designs |
Ontario oversize permit rules
| Permits offered | Single trip, Annual, Enhanced annual, Project, Enhanced project, Special vehicle configuration |
|---|---|
| Escorts | No escort up to 3.99 m (13 ft 1 in) wide, 36.75 m (120 ft 7 in) long or 4.86 m (15 ft 11 in) high. From 4.0 to 4.99 m (16 ft 4 in) wide: one escort on multi-lane highways; on two-lane highways one escort up to 4.59 m and two from 4.6 m (15 ft 1 in). One escort for lengths of 36.76 to 45.74 m, a rear overhang over 4.65 m (15 ft 3 in), or a height of 4.87 m (16 ft) or more; certified superload escorts at 5 m (16 ft 5 in) wide or 45.75 m (150 ft 1 in) long and over. |
| Travel times | Night moves are allowed up to 3.05 m (10 ft) wide and 25 m (82 ft) long on multi-lane divided controlled-access highways only. On statutory holidays only loads within 3.70 m (two-lane) or 3.85 m (multi-lane) wide, 25 m long, 4.26 m (14 ft) high and 63,500 kg may move, from half an hour before sunrise until noon. In summer, larger loads may not travel Fridays from 3 p.m. to midnight, and Greater Toronto Area peak-hour bans apply (7:00-9:30 a.m. and 3:30-6:30 p.m.). |
Overweight annual and project permits are not valid on King's highways in March-April (southern Ontario) or March-May (northern Ontario). Permits cover provincial highways only; municipal roads need separate permission.
Getting your permit with Permits Canada
- Send us the online oversize / overweight application with your truck, trailer, load dimensions and route.
- A permit agent applies for your Ontario permit and checks the route conditions.
- Your permit arrives by email with its travel conditions. Oversize and overweight permits can take longer, since the authorities review each application.
Our fee is $40 to $50 CAD per permit, plus the Ontario provincial fee, which depends on the dimensions, weight and route.
Also need temporary registration or fuel tax coverage? See Ontario trip & fuel permits.
Ontario oversize permit questions
When is an oversize permit required in Ontario?
When the truck or load exceeds the Ontario legal limits: width 2.6 m (8 ft 6 in), height 4.15 m (13 ft 7 in), length 23 m (75 ft 6 in) overall for a combination including load (tractor-semitrailer); semitrailer max 16.15 m (53 ft) for SPIF designs.
When are pilot or escort vehicles required in Ontario?
No escort up to 3.99 m (13 ft 1 in) wide, 36.75 m (120 ft 7 in) long or 4.86 m (15 ft 11 in) high. From 4.0 to 4.99 m (16 ft 4 in) wide: one escort on multi-lane highways; on two-lane highways one escort up to 4.59 m and two from 4.6 m (15 ft 1 in). One escort for lengths of 36.76 to 45.74 m, a rear overhang over 4.65 m (15 ft 3 in), or a height of 4.87 m (16 ft) or more; certified superload escorts at 5 m (16 ft 5 in) wide or 45.75 m (150 ft 1 in) long and over.
Can oversize loads travel at night or on weekends in Ontario?
Night moves are allowed up to 3.05 m (10 ft) wide and 25 m (82 ft) long on multi-lane divided controlled-access highways only. On statutory holidays only loads within 3.70 m (two-lane) or 3.85 m (multi-lane) wide, 25 m long, 4.26 m (14 ft) high and 63,500 kg may move, from half an hour before sunrise until noon. In summer, larger loads may not travel Fridays from 3 p.m. to midnight, and Greater Toronto Area peak-hour bans apply (7:00-9:30 a.m. and 3:30-6:30 p.m.).
How much does an Ontario oversize permit cost?
Permits Canada charges $40 to $50 CAD per permit, plus the Ontario provincial fee, which depends on the dimensions, weight and route.
Last reviewed October 2026. Rules change; your permit agent confirms them for each move. All provinces and states