I-29 enters North Dakota, with a speed limit of, from South Dakota to the south, traveling in a north-northeasterly direction. The first exit in the state, exit 1, is to a county road built along the state line. This exit serves the Dakota Magic Casino and Hotel. Rural exits are somewhat common in North Dakota. There are exits with no major communities near them about every from the South Dakota border to Fargo. There is also one exit serving North Dakota Highway 11 to Hankinson and one exit serving ND 13 to Wahpeton, North Dakota.
Fargo
I-29 has a speed limit of throughout the eight exits in Fargo, including interchanges with I-94 and US 10. There is also an exit that serves Hector International Airport. Farther north, there is an exit that indirectly serves Fargo via CR 22 that mainly serves Harwood.
Fargo to Grand Forks
North of Fargo, with a speed limit of, there are exits roughly every until the route enters Hillsboro. I-29 has one exit south of the city serving its municipal airport and one exit serving the city itself. About north of Hillsboro, the highway shares an interchange with ND 200, a major thoroughfare across central North Dakota. There are three more exits between Hillsboro and Grand Forks, including one serving Thompson, the southernmost suburb of Grand Forks.
Grand Forks
The highway has a speed limit of, and just four exits serving Grand Forks. One of them serves US 2, which leads to Grand Forks International Airport.
Grand Forks to Canada
With a speed limit of, north of the city, I-29's first concurrency with US 81 ends in Manvel. The highway's next exit is north of Manvel at an interchange with ND 54, which indirectly serves Oslo, Minnesota about east of the Interstate. There are a couple more minor exits between the Oslo exit and Drayton. The highway has two exits in Drayton, one with ND 44 and one with ND 66. After several more exits in the open country serving minor county highways, I-29 begins another concurrency with US 81 at an exit with ND 5. After one more exit serving a county road, the highways enter Pembina. In Pembina, I-29 has its final exit in the United States at an interchange with ND 59 and CR 55. north of Pembina, I-29 and US 81 enter Manitoba, Canada, and become Manitoba Highway 75, which leads north to Winnipeg.
History
I-29 between Fargo and the Canadian border was originally meant to be signed as Interstate 31. There was no highway originally planned between Fargo and Sioux Falls, South Dakota. Plans for I-29 were extended from Sioux Falls to Fargo in October 1957, and the entire highway from Kansas City, Missouri to the Canadian border was signed as I-29. The final stages of I-29 in North Dakota were completed in 1977.
