North Dakota oversize permit office

North Dakota Highway Patrol Permit Office. Call 701-328-2621, Monday to Friday, 7:30 am to 4:30 pm CT Central time.

From North Dakota's own pages, checked 2026-10-24. Fees and rules change: the state's page is the last word.

Apply online
E-Permits System (North Dakota Highway Patrol Permits System)Source
How to get one
Create an account and apply online in the NDHP E-Permits System, or call or visit the permit office in Bismarck.
Email
ndhppermits@nd.gov
Single trip fee
Over Dimensional Only, Single Trip: "The price of a single trip permit is $20 plus an $8 service routing fee."Source
Legal without a permit
Width 8 feet 6 inches on all highways · Height 14 feet · Length 53 feet trailer or semitrailer including load; 75 feet combination on non-designated highways (up to 95 or 110 feet on four-lane divided and designated highways) · Weight 80,000 pounds on the interstate highway system; 105,500 pounds on state highways unless otherwise postedSource
Superloads
Loads over 200,000 pounds gross fall under the Heavy Load Permit Policy and need NDDOT engineer review and a vehicle loading diagram.Source
How fast
Permits that do not need approval are available online 24/7.Source

When you can move

Daylight
Oversize loads move only from half an hour before sunrise to half an hour after sunset unless the Highway Patrol superintendent authorizes otherwise; no moves in bad weather, on slippery roads or with visibility of half a mile or less.Source
At night
Not allowed unless the superintendent authorizes it on the permit.
Weekends
Loads wider than 16 ft may not move after noon Saturday or at all on Sunday unless the superintendent authorizes it.
Holidays
New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day. Loads wider than 16 ft may not move from noon the day before the holiday until sunrise the day after. Next datesSource