Connecticut Southern Railroad

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Connecticut Southern Railroad
Connecticut Southern Railroad logo.png
Reporting mark CSOR
Locale Connecticut, United States
Dates of operation 1996–present
Track gauge 4 ft 8 12 in (1,435 mm) standard gauge
Length 78 miles (126 km)
Headquarters Hartford, Connecticut
Website CSO Website

The Connecticut Southern Railroad (reporting mark CSOR)[1] is a 78-mile (126 km) long short-line railroad [2] operating in Connecticut and Massachusetts, on lines originally operated by the New York, New Haven and Hartford Railroad, later operated by Penn Central and Conrail. It is a subsidiary of Genesee & Wyoming. The line is headquartered in Hartford, Connecticut and interchanges with CSX at West Springfield, Massachusetts and New Haven, Connecticut.[3] Pan Am Railways exercises trackage rights to access its line at Berlin, Connecticut connecting to Waterbury, Connecticut.

The railroad began operations in 1996 and was acquired by RailAmerica in 2000.[2] Genesee & Wyoming acquired the railroad as part of its acquisition of RailAmerica in 2012.

Traffic comes mainly from construction materials, as well as food products. The CSO hauled around 23,000 carloads in 2008.[2] The tracks are also shared with Amtrak passenger trains.


  1. ^ Railinc, Search MARKs, accessed September 2009
  2. ^ a b c "RailAmerica's Empire". Trains Magazine. Kalmbach Publishing. June 2010. 
  3. ^ "RailAmerica-CSO". Retrieved 2009-09-04. 

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