The Indianapolis 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. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

s of Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

 and 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...

. The line runs from Hamilton, Ohio

Hamilton, Ohio

Hamilton is a city in Butler County, southwestern Ohio, United States. The population was 62,447 at the 2010 census. It is the county seat of Butler County. The city is part of the Cincinnati metropolitan area....

 (north of Cincinnati) west to Indianapolis, Indiana

Indianapolis, Indiana

Indianapolis is the capital of the U.S. state of Indiana, and the county seat of Marion County, Indiana. As of the 2010 United States Census, the city's population is 839,489. It is by far Indiana's largest city and, as of the 2010 U.S...

 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.

The east end of the Indianapolis Subdivision is at the end of a branch of the Cincinnati Terminal Subdivision, near the south end of the Toledo Subdivision

Toledo Subdivision

The Toledo Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Ohio. The line runs from Hamilton north to Perrysburg along a former Baltimore and Ohio Railroad line....

. Its west end is just east of downtown Indianapolis at the Indianapolis Terminal Subdivision.

History

The line was built by the Junction Railroad, opened from 1859 to 1869. Through takeovers, leases, and mergers, it became part of 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 later CSX.