Roadway Data

Fun Facts

Longest Trunk Highways in Minnesota

• Interstate: I-90 is 276 miles from southwest corner to southeast corner of state
• US Highway: US-59 is 427 miles from northwest corner to southwest corner of state, and US-71 is 426 miles from International Falls in north to Minnesota-Iowa state border in south
• Minnesota State Highway: MN-1 is 346 miles from Oslo in west to MN-61 on Lake Superior in east, and MN-23 is 341 miles from southwest corner of state to Duluth

Miles vs. Travel Comparison

Trunk Highways (Interstate, US, and MN Hwy routes) contain only 9% of the centerline mileage in Minnesota, but they carry 58% of the annual miles of vehicle travel. By contrast, County State Aid and County Road routes contain 32% of the centerline mileage, but carry only 24% of the annual miles of vehicle travel.

The 7-County Metro Area contains only 12% of the centerline mileage in Minnesota, but it accounts for 48% of the annual miles of vehicle travel. The Greater Minnesota counties contain 88% of the centerline mileage in the state and account for 52% of the annual miles of vehicle travel.

Stretches of roadway in Minnesota with the highest traffic volume