|Railroad||Miles operated in Connecticut1|
|Class I railroads||69|
|Guilford Rail System||105|
|Providence and Worcester Railroad Co.||312|
|Central New England Railroad Co., Inc.||22|
|Connecticut Southern Railroad, Inc.||76|
|Housatonic Railroad Co., Inc.||83|
|Naugatuck Railroad Co.||20|
|New England Central Railroad, Inc.||56|
1 Miles operated is in terms of railroad so that a mile of single track is counted the same as a mile of double track. Sidings, turnouts, yard switching mileage, and mileage not operated are excluded. Miles operated under trackage rights provided by another (owning) railroad are included.
NOTE: For definition of railroad types see previous table.
SOURCE: Association of American Railroads, Railroads and States - 2000, Washington, DC: 2002, available at http://www.aar.org/AboutTheIndustry/StateInformation.asp as of Mar. 19, 2002.