Orbit Super Intelligence

North Dakota Interstate speed limits

The posted limits on every Interstate in North Dakota, measured along each road: the limit you'll see most, and the range from the slowest stretch to the fastest. The highest Interstate limit in North Dakota is 80 mph.

InterstateUsuallyRange
I-2975 mph55 to 80 mph
I-9475 mph55 to 80 mph

Posted limits as of October 2026, from state and federal road data and © OpenStreetMap contributors, measured by length of road. Work zones, weather and signs can set a lower limit; always follow the posted sign.

Other states

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