Ambassador (B&O train) Ambassador (B&O train) The Ambassador was a named train of the Baltimore and Ohio Railroad (B&O) on its route between Baltimore, Maryland and Detroit, Michigan with major station stops in Washington, D.C. and Pittsburgh, Pennsylvania and Toledo, Ohio. Inaugurated in 1930, the "Ambassador" was discontinued in 1964. The B&O began passenger service from Detroit to Washington, D.C. in 1920. Until 1925, the B&O offered a through Washington - Detroit Pullman sleeping car running on a Washington-Chicago train to Deshler, Ohio then added to a Cincinnati - Detroit train. In June 1925, the B&O started a through overnight Washington - Detroit
Main Line (Pennsylvania Railroad) leased the HPMJ&L, giving it full control of its main line. In 1904, the New Portage Railroad east of the Gallitzin Tunnels (through the "Muleshoe Curve") was reopened as the New Portage Branch, a freight bypass line. Conrail closed this line in 1981. Notes Further reading Main Line (Pennsylvania Railroad) The Main Line of the Pennsylvania Railroad was a rail line in the Commonwealth of Pennsylvania, connecting Philadelphia with Pittsburgh via Harrisburg. The rail line was split into two rail lines and now all of its right of way is now a cross-state corridor, composed of Amtrak's Philadelphia to Harrisburg