 Main Line (Pittsburgh to St. Louis)

The Pittsburgh to St. Louis Main Line was a rail line owned and operated by the Pennsylvania Railroad in the U.S. states of Pennsylvania, Ohio, Indiana, and Illinois.The line ran from Pittsburgh, Pennsylvania west via Steubenville, Ohio, Columbus, Ohio, Dayton, Ohio, Indianapolis, Indiana, Terre Haute, Indiana, and Vandalia, Illinois to East St. Louis, Illinois.