Only nine states have 80-mph limits, but one will let drivers go 85 mph in certain areas. N orth Dakota passed a new law ...

Montana also has an interstate speed limit of 80 mph. Minnesota’s is 70 mph. The bill that Rep. Ben Koppelman, R-Fargo, ...

State transportation officials have announced a significant change in the traffic pattern as reconstruction continues of the Interstate 94 Interchange at Exit 161 on the east edge of Bismarck.

The Montana Department of Transportation (MDT) is announcing and inviting the public to comment on a proposal that will rehabilitate or replace eight large culverts on several routes around Glendive: ...