The Illinois Subdivision is a railroad line owned and operated by CSX Transportation

CSX Transportation

CSX Transportation operates a Class I railroad in the United States known as the CSX Railroad. It is the main subsidiary of the CSX Corporation. The company is headquartered in Jacksonville, Florida, and owns approximately 21,000 route miles...

 in the U.S. states of Indiana

Indiana

Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...

 and Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

. The line runs from Washington, Indiana

Washington, Indiana

Washington is a city in Daviess County, Indiana, United States. The population was 11,509 at the 2010 census. The city is the county seat of Daviess County.-History:...

 west to East St. Louis, Illinois

East St. Louis, Illinois

East St. Louis is a city located in St. Clair County, Illinois, USA, directly across the Mississippi River from St. Louis, Missouri in the Metro-East region of Southern Illinois. As of the 2010 census, the city had a total population of 27,006, less than one-third of its peak of 82,366 in 1950...

 along a former Baltimore and Ohio Railroad

Baltimore and Ohio Railroad

The Baltimore and Ohio Railroad was one of the oldest railroads in the United States and the first common carrier railroad. It came into being mostly because the city of Baltimore wanted to compete with the newly constructed Erie Canal and another canal being proposed by Pennsylvania, which...

 line.

At its east end, the Illinois Subdivision becomes the Indiana Subdivision

Indiana Subdivision

The Indiana Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. states of Ohio and Indiana. The line runs from Cincinnati, Ohio west to Washington, Indiana along a former Baltimore and Ohio Railroad line....

. At its west end in East St. Louis, near the west end of the St. Louis Line Subdivision

St. Louis Line Subdivision

The St. Louis Line Subdivision is a railroad line owned by CSX Transportation in the U.S. states of Indiana and Illinois. The line runs from Indianapolis, Indiana west-southwesterly to East St. Louis, Illinois along a former Conrail line, partly former New York Central Railroad trackage and partly...

, it meets the Terminal Railroad Association of St. Louis

Terminal Railroad Association of St. Louis

The Terminal Railroad Association of St. Louis is a terminal railroad owned by railroads in St. Louis, Missouri which handles traffic through its metropolitan area.-Components:It was founded in 1889 in a deal orchestrated by Jay Gould by:...

. Along the way, the line intersects the CE&D Subdivision at Vincennes, Indiana

Vincennes, Indiana

Vincennes is a city in and the county seat of Knox County, Indiana, United States. It is located on the Wabash River in the southwestern part of the state. The population was 18,701 at the 2000 census...

.

History

The line, built by the Ohio and Mississippi Railroad

Ohio and Mississippi Railroad

The Ohio and Mississippi Railway was a railroad operating between Cincinnati, Ohio, and East St. Louis, Illinois, from 1857 to 1893.General Ormsby M. Mitchel was a civil engineer on this project....

, was completed in 1857. It passed to the Baltimore and Ohio Railroad

Baltimore and Ohio Railroad

The Baltimore and Ohio Railroad was one of the oldest railroads in the United States and the first common carrier railroad. It came into being mostly because the city of Baltimore wanted to compete with the newly constructed Erie Canal and another canal being proposed by Pennsylvania, which...

and CSX via leases and mergers.