Reference posts (often called Mile Post or Mile Markers) are green numbered signs along the side of a highway roughly a mile apart for traveler reference. Check other metadata...

The Interregional Corridor system has been retired and is no longer used to measure performance or as an investment category. Through federal legislation, the National Highway...

Scenic byway represents road centerlines for all public roads within the State of Minnesota which are designated as scenic byways in a state statute. The roads are attributed...

Roundabouts are circular intersections designed to control traffic features. These features - including yield control of entering traffic, channelized approaches, and...