Permits Canada obtains oversize and overweight permits for North Dakota for trucks and loads over the legal width, height, length or weight.
North Dakota legal dimensions and weight
A truck and load within these limits needs no oversize or overweight permit in North Dakota.
| Width | 8 ft 6 in |
|---|---|
| Height | 14 ft |
| Length | 53 ft semitrailer; 75 ft overall on non-designated highways (95-110 ft on four-lane divided and designated highways) |
| Gross weight | 80,000 lb on Interstate; 105,500 lb on state highways unless posted |
North Dakota oversize permit rules
| Permits offered | Single trip, annual overwidth |
|---|---|
| Escorts | Pilot car over 14 ft 6 in wide, 18 ft high or 120 ft long (amber light may replace it up to 16 ft; none on four-lane divided up to 16 ft); over 16 ft wide: front + rear on two-lane, rear on four-lane divided |
| Travel times | No over-dimension travel from 30 min after sunset to 30 min before sunrise unless 12 ft wide or less and 120 ft long or less; over 16 ft wide cannot travel after noon Saturday, on Sunday or on listed holidays |
Single-trip permits are valid for one one-way move within five days.
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 North Dakota 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 North Dakota state fee, which depends on the dimensions, weight and route.
Also need temporary registration or fuel tax coverage? See North Dakota trip & fuel permits.
North Dakota oversize permit questions
When is an oversize permit required in North Dakota?
When the truck or load exceeds the North Dakota legal limits: width 8 ft 6 in, height 14 ft, length 53 ft semitrailer; 75 ft overall on non-designated highways (95-110 ft on four-lane divided and designated highways).
What is the legal gross weight in North Dakota?
The legal gross weight in North Dakota is 80,000 lb on Interstate; 105,500 lb on state highways unless posted. A heavier truck needs an overweight permit.
When are pilot or escort vehicles required in North Dakota?
Pilot car over 14 ft 6 in wide, 18 ft high or 120 ft long (amber light may replace it up to 16 ft; none on four-lane divided up to 16 ft); over 16 ft wide: front + rear on two-lane, rear on four-lane divided.
Can oversize loads travel at night or on weekends in North Dakota?
No over-dimension travel from 30 min after sunset to 30 min before sunrise unless 12 ft wide or less and 120 ft long or less; over 16 ft wide cannot travel after noon Saturday, on Sunday or on listed holidays.
How much does a North Dakota oversize permit cost?
Permits Canada charges $40 to $50 CAD per permit, plus the North Dakota state 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