|Railroad||Miles operated in Arizona1|
|Class I railroads||1,333|
|Burlington Northern and Santa Fe Railway Co.||595|
|Union Pacific Railroad Co.||738|
|Arizona and California Railroad Co.||165|
|Arizona Central Railroad, Inc.||38|
|Arizona Railroad BHP||28|
|Copper Basin Railway, Inc.||68|
|San Manuel Arizona Railroad||29|
|Switching and terminal railroads||203|
|Arizona Eastern Railway Co.||135|
|San Pedro and Southwestern Railway||68|
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.