Color coded map shows intercity bus routes in existence in 1976.
Blue indicates Greyhound, red indicates Trailways. Additional colors indicate significant independent bus companies, and are identified with labels. Black indicates smaller independent companies.
Thin blue or red lines indicate routes which were once part of Greyhound or Trailways, but later transferred to independent bus companies.
(map also includes Delaware)
Beginning in 1916, intrastate bus service in Maryland was regulated by the Maryland Public Service Commission.
Additional Trailways Companies
The earliest bus companies in those states.
Obscure Interurban/Intercity Bus Companies
The most obscure bus companies, not listed in the Russell's Guide but mentioned in the 1952 Mass Transportation's Directory, or sometimes mentioned in the WPA Federal Writers Project/American Guide Series books.