**In North Dakota the maximum speed limit of 75 mph (121 km/h) is posted on major interstates, I-29 and I-94, in most rural areas, with 55-60 mph (89–97 km/h) zones within portions of the Fargo and Bismarck/Mandan urban areas. The state’s four-lane Divided Highways as well as 2 short stretches of undivided four-lane highways (US 2 around Rugby and U.S. 83 as it passes the eastern Lake Sakakawea Reservoir) usually carry a 70 mph (113 km/h) limit, with two-lane restricted up to a 65 mph (105 km/h) limit, and gravel roads have up to 55 mph (89 km/h) speed limit.**

Roads within cities hold their own defined limits with 25 mph (40 km/h) speed limits common in residential streets and 30-40 mph (48-64 km/h) limits on Urban 4-6 lane divided streets. The school zones are posted at 15–25 mph (24–40 km/h).