Description: MDT On-System Routes, which includes routes with a System type of: NHS Interstate, NHS Non-Interstate, Primary, Secondary, Urban, and State-maintained Highways.
Copyright Text: Montana Department of Transportation
Description: MDT Off-System Routes, which are routes not MDT-maintained. These routes are fuel tax eligible and in no way indicate road usability or ownership.
Copyright Text: Montana Department of Transportation
Description: MDT On-System Routes, which includes routes with a System type of: NHS Interstate, NHS Non-Interstate, Primary, Secondary, Urban, and State-maintained Highways.
Copyright Text: Montana Department of Transportation
Description: MDT Off-System Routes, which are routes not MDT-maintained. These routes are fuel tax eligible and in no way indicate road usability or ownership.
Copyright Text: Montana Department of Transportation
Description: Database of Montana maintenance section boundaries created to be accurate according to maintenance chiefs. Sections are subdivisions of larger Maintenence Divisions.
Copyright Text: USGS Raster Graphics, MT County Boundary Layer from MT DOA.