The Frankfort Secondary Subdivision is a railroad line owned 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...

 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...

. The line runs from Clermont on the Crawfordsville Branch Subdivision north to Frankfort along a former Pennsylvania Railroad

Pennsylvania Railroad

The Pennsylvania Railroad was an American Class I railroad, founded in 1846. Commonly referred to as the "Pennsy", the PRR was headquartered in Philadelphia, Pennsylvania....

 line.

History

The Indianapolis and Frankfort Railroad (Ben Davis north to Frankfort) opened in 1918 as the last new main line railroad in Indiana, completing the PRR's route between Chicago and southern Indiana. The line passed through mergers and takeovers into Conrail; in the 1999 split of Conrail it was assigned to CSX. By this time, the line north of Clermont was the Frankfort Secondary, while the short piece from Clermont south to Ben Davis was part of the Crawfordsville Branch.