|Railroad||Miles operated in Maryland1|
|Class I railroads||835|
|Norfolk Southern Corp.||269|
|Wheeling and Lake Erie Railway Co.||125|
|Eastern Shore Railroad||4|
|Maryland and Delaware Railroad||96|
|Maryland Midland Railway||67|
|Winchester and Western Railroad||7|
|Switching and terminal railroads||16|
|Patapsco and Back Rivers Railroad||10|
|Canadian Pacific Railway||85|
1Miles 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.
SOURCES: 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.