|Railroad||Miles operated in Idaho1|
|Class I railroads||983|
|Burlington Northern and Santa Fe Railway Company||125|
|Union Pacific Railroad Company||858|
|Montana Rail Link||82|
|Camas Prairie Railnet, Inc.||176|
|Eastern Idaho Railroad, Inc.||269|
|Idaho Northern & Pacific Railroad Company||136|
|Palouse River & Coulee City Railroad||19|
|Pend Oreille Valley Railroad||22|
|Switching and terminal railroads||71|
|St. Maries River Railroad||71|
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.