The Wabash St. Louis & Pacific Railroad was in existence from 1879 to 1889 and later became part of the Wabash Railroad. Before the WSTL&P became what it was, it was the St. Louis, Kansas City & Northern Railway. that added 778 miles west of the Mississippi to the new firm, now named the Wabash, St. Louis & Pacific Railway. Eventually, the WSTL&P operated over By 1889 (and after reorganization), the Big Four Railroad The Cleveland Cincinnati Chicago & St. Louis purchased from the WST&P the old Cairo & Vincennes Line that extended from Cario Illinois to Vincennes Indiana. This also included the famous bridge that crossed the Wabash River at St. Francisville Illinois that was built in 1872. The remaining portions of the WSTL&P that was in Northern Illinois and Northern Indiana became part of the Wabash Railroad. The principal towns the railroad served was Chicago, Des Moines, Detroit, Kansas City, and of course, St. Louis. Other smaller cities and towns included Oakland Park Illinois, Mt. Carmel, Cairo, Allendale, Armstrong, Mound City, Bolton, Tunnel Hill, Vienna, Harrisburg, Doublas, Burnside, Eldorado, Carmi, Grayville, Robinson, Lawrenceville, Flat Rock, Jacksonville, Pekin, Pinkstaff, Hutsonville, Union, Snyder, Darwin, Marshall, Oliver, Swango, Paris, Havana, and Peoria Illinois. Some of the towns in Indiana included Vincennes, Michigan City, and Indianapolis.