State Police : (701) 328-2455
OD Permits : (701) 328-2621
Road Conditions : Live Map
Registration maximum weight (cab card) : 105500
Operating time :One-half hour before sunrise to one-half hour after sunset, including Saturday and Sunday except loads over 16 feet wide and 110 feet long cannot travel Saturday after noon or Sunday all day. Overweight only can have continuous travel.
Travel may be restricted on major holidays or holiday weekends depending on dimensions.
Weights : Steer – 12,100 for 11" tires (550 pounds per inch of tire width) Single – 24,000 Tandem – 45,000 Tri Axle– 60,000 Quad – 68,000 Note: ND does not like to issue overweight permits when axle group weights are not evened out as much as possible. Loads 150,000 pounds are considered super loads.
Size : Width: 18' Height: 18' Length: 120'.Loads exceeding these dimensions are considered super loads.
SEASONAL LOAD (WEIGHT) RESTRICTIONS: Spring thaw load weight restrictions on non-Interstate highways go into effect some time in February and last into May and even much later on a few highways. Weight restrictions range from legal weight only to 8-tons, 7-tons and 6-tons per axle. Ton-mile exceptions are sometimes available.
Escorts : Width: On 2-lane highways: Over 14'6" up to 16' – 1 escort, Instead of pilot car, for width over 14'6 but not over 16', may be equipped with lighted rotating or flashing amber light(s) that are visible from the front and rear at 500 feet; over 16' – 2 escorts.
On 4-lane highways: Over 16' – 1 escort. All highways: Width: Over 18' - Official escort (unless exempted by Highway Patrol). . Length: Over 120' – 1 escort Height: Over 18' – 1 escort and written clearances from utility companies.
Signs : "Oversize Load" sign is required on rear of the vehicle when overall length exceeds 75'. All over dimensional loads must have flags on the traffic side of the load front and rear. Over width and over height loads only require flags, not signs.
General :Permits valid for three days. Must have permit prior to entering the state.