Interurban Railway Map (Beyond Milwaukee)
Information on electric interurban railways of the past, connecting various cities throughout Wisconsin.
Information on most interurban railways is available from the city links above.
Bus/Early Certificates of Convenience and Necessity
Bus companies certified by the Wisconsin Railroad Commission, later Wisconsin Public Service Commission.
Obscure Bus Companies/1952
The most obscure bus companies, listed in the 1952 Mass Transportation's Directory, but records of whose existence could not be found anywhere else.
Wisconsin Department of Transportation