May-1-1922. Note of explanation on the map: Minnesota trunkhighways, making a 7,000-mile primary road system, are now officially marked with numbers on yellow stars-significant of the North Star State. Reference to this map will guide the user of the system. Grading, gravel-surfacing and paving completed and under contract May 1, 1922 are indicated by the conventions. This should be considered with weather conditions in planning trips. The state trunkhighwaysystem has been improved with 228 miles of paving, 1926 miles of gravel surfacing and 2314 miles of permanent grading.
Contributing Institution:
Minnesota Department of Transportation, MnDOT Library
Showing road conditions as of May 1, 1940. Includes a detail map of Minneapolis-Saint Paul Metropolitan Area and a map of Duluth Area, an index to counties.
Contributing Institution:
Minnesota Department of Transportation, MnDOT Library
Showing road conditions as of May 1, 1942. Includes an index to counties, an index to state parks, a list of rules of the road. On the back of the map are a list of cities and towns with the 1940 population, list of historic markers and monuments, natural color photographs of scenes in Minnesota. ""Due to wartime emergency conditions, the 1942 Minnesota Official Road map will be distributed for 1944.""
Contributing Institution:
Minnesota Department of Transportation, MnDOT Library
Showing road conditions as of May 1, 1942. Includes an index to counties, an index to state parks, a list of rules of the road. On the back of the map are a list of cities and towns with the 1940 population, list of historic markers and monuments, natural color photographs of scenes in Minnesota.
Contributing Institution:
Minnesota Department of Transportation, MnDOT Library
Showing road conditions as of May 1, 1947. Includes an index to counties, an index to state parks, memorial parks, recreational reserves, and wayside parks.
Contributing Institution:
Minnesota Department of Transportation, MnDOT Library