The Seaboard Air Line Railroad, which styled itself as "The Route of Courteous Service", was an American railroad that existed from April 14, 1900, until July 1, 1967, when it merged with the Atlantic Coast Line Railroad, its longtime rival, to... Wikipedia
Successor: Seaboard Coast Line Railroad
Founded: 1900
Track gauge: 4 ft 8+1⁄2 in (1,435 mm) standard gauge