|Railroad||Miles operated in Missouri1|
|Class I railroads||3,616|
|Burlington Northern and Santa Fe Railway Co.||1,785|
|Kansas City Southern Railway Co.||187|
|Norfolk Southern Corporation||410|
|Union Pacific Railroad Co.||1,221|
|Gateway Western Railroad||236|
|I & M Rail Link, L.L.C.||158|
|Missouri and Northern Arkansas Railroad||347|
|Arkansas and Missouri Railroad||31|
|Missouri Central Railroad Co.||49|
|Switching and terminal railroads||83|
|Chillicothe-Brunswick Rail Maintenance Authority||37|
|Manufacturers Railway Co.||10|
|Railroad Switching Service of Missouri||2|
|Semo Port Railroad, Inc.||8|
|Terminal Railroad Association of St. Louis||26|
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.