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.
Beginning in 1925, intrastate bus service was regulated by the Idaho Public Utilities Commission.
Additional Bus Companies