The Connecticut Southern Railroad operates about 78 miles (125.5 km) of track in Connecticut

Connecticut

Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...

 and Massachusetts

Massachusetts

The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

. It is a subsidiary of RailAmerica

RailAmerica

RailAmerica, Inc., based in Jacksonville, Florida, is a holding company of a number of short-line railroads and regional railroads in the United States and Canada....

. The line is headquartered in East Hartford, CT and interchanges with CSX at West Springfield, Massachusetts

West Springfield, Massachusetts

The Town of West Springfield is a city in Hampden County, Massachusetts, United States. It is part of the Springfield, Massachusetts Metropolitan Statistical Area. The population was 28,391 at the 2010 census...

 and New Haven, Connecticut

New Haven, Connecticut

New Haven is the second-largest city in Connecticut and the sixth-largest in New England. According to the 2010 Census, New Haven's population increased by 5.0% between 2000 and 2010, a rate higher than that of the State of Connecticut, and higher than that of the state's five largest cities, and...

.

The railroad began operations in 1996 and was acquired by RailAmerica in 2000.

Traffic comes mainly from construction materials, as well as food products. The CSO hauled around 23,000 carloads in 2008.

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