The following railroads operate in the U.S. state of Massachusetts. Common freight carriers Bay Colony Railroad (BCLR) Connecticut Southern Railroad (CSO) (Genesee and Wyoming) CSX Transportation (CSXT) East Brookfield & Spencer Railroad (EBSR) Fore River Transportation Corporation (FRVT) Grafton and Upton Railroad (GU) Housatonic Railroad (HRRC) Massachusetts Central Railroad (MCER) Massachusetts Coastal Railroad (MC) New England Central Railroad (NECR) (Genesee and Wyoming) Pan Am Railways (PAR) Pan Am Southern (PAS) (Operated by Pan Am Railways) Pioneer Valley Railroad (PVRR) (Pinsly) Providence and Worcester Railroad (PW) (Genesee and Wyoming) Passenger carriers Amtrak (AMTK) Berkshire Scenic Railway (BRMX) Cape Cod Central Railroad (CCCR) Edaville Railroad Massachusetts Bay Transportation Authority (MBTX) Hartford Line (CNDX) Defunct railroads Street and other electric railways Berkshire Street Railway Boston Elevated Railway Boston and Worcester Street Railway Cambridge Railroad Conway Electric Street Railway Eastern Massachusetts Street Railway Grafton and Upton Railroad Metropolitan Railroad Middlesex and Boston Street Railway Middlesex Railroad Milford and Uxbridge Street Railway Palmer and Monson Street Railway Pittsfield Electric Street Railway Shelburne Falls and Colrain Street Railway South Boston Railroad Springfield and Eastern Street Railway Upton Street Railway West End Street Railway Private carriers Deerfield River Pulp and Paper Corporation Not completed Hampden Railroad Lancaster Railroad New York and Boston Rapid Transit Company Southern New England Railway Notes See also List of railroad lines in Massachusetts (a list of all corridors that have existed, not dealing with ownership changes) List of United States railroads References Association of American Railroads (2003), Railroad Service in Massachusetts (PDF). Retrieved May 12, 2005. External links Massachusetts State Rail Plan, 2010 - Contains maps, statistics, and proposed projects for railroads in Massachusetts Massachusetts Railroads