Montana follows the Functional Classification (FC) system for both state and non-state roads. This change from the previous road-typing guidance was changed in September 2014.
- To properly type a Freeway, Major Highway, Minor Highway, or Primary Street, refer to the Montana Arcgis site and cross reference that against the Waze Functional Classification table.
- Quick reference .pdf guide for Functional Classification, Highway systems and other route designations.
- MDOT Urban Map Functional Classification Maps.
- MDOT Maps Contains maps of the following: Highway, City, County, and Urban MDOT