List of Colorado railroads

This list of Colorado railroads identifies the variety of active, historic, and defunct railroads in the U.S. State of Colorado.

Common freight carriers

 * BNSF Railway (BNSF)
 * Cimarron Valley Railroad (CVR)
 * Colorado and Wyoming Railway (CW)
 * Colorado Pacific Railroad (COPR)
 * Denver Rock Island Railroad (DRIR)
 * Great Western Railway of Colorado (GWR)
 * Hudson Terminal Railroad (HTR)
 * Kansas and Oklahoma Railroad (KO)
 * Keenesburg Direct Railroad (KDR)
 * Kyle Railroad (KYLE)
 * Nebraska Kansas Colorado Railway (NKCR)
 * Rock and Rail LLC (RRRR)
 * San Luis Central Railroad (SLC)
 * San Luis and Rio Grande Railroad (SLRG)
 * Union Pacific Railroad (UP)
 * Utah Railway (UTAH)

Historic attraction carriers

 * Cripple Creek and Victor Narrow Gauge Railroad
 * Cumbres and Toltec Scenic Railroad
 * Durango and Silverton Narrow Gauge Railroad
 * Fort Collins Municipal Railway
 * Georgetown Loop
 * Manitou and Pike's Peak Railway
 * Platte Valley Trolley (Denver Tramway Heritage Society)
 * Rio Grande Scenic Railroad
 * Royal Gorge Route Railroad
 * Leadville, Colorado and Southern Railroad (The South Park)

Private freight carriers

 * Deseret Western Railway
 * MillerCoors Brewery
 * Rawhide Shortline

Passenger carriers

 * Amtrak (AMTK)
 * RTD Rail
 * Colorado San Francisco and Northern LLC.
 * Rockies to the Red Rocks (Rocky Mountaineer)

Defunct railroads

 * Electric
 * Arkansas Valley Railway, Light and Power Company
 * Boulder Electric Light and Power Company
 * Canon City and Cripple Creek Railroad
 * Colfax Electric Railway
 * Colorado Railway, Light and Power Company
 * Colorado Springs and Cripple Creek District Railway (CCD)
 * Colorado Springs and Interurban Railway
 * Colorado Springs Rapid Transit Company
 * Colorado Springs and Suburban Railway
 * Cripple Creek District Railway
 * Denver City Cable Railway
 * Denver City Traction Company
 * Denver City Tramway Company
 * Denver Consolidated Tramway Company
 * Denver Electric and Cable Railway
 * Denver, Globeville and Golden Rapid Transit Company
 * Denver and Inter-Mountain Railroad (D&IM, DIM)
 * Denver and Inter-Mountain Railway
 * Denver and Interurban Railroad
 * Denver, Lakewood and Golden Railroad
 * Denver and Northwestern Railway
 * Denver and South Platte Railway
 * Denver Tramway Company
 * Denver Tramway Extension Company
 * Denver Tramway Terminals Company
 * Durango Railway and Realty Company
 * Florence and Cripple Creek Railroad
 * Fort Collins Municipal Railway
 * Grand Junction Electric Railway
 * Grand Junction and Grand River Valley Railway
 * Grand River Valley Railway
 * Greeley and Denver Railroad
 * Manitou Incline Railway
 * Metropolitan Railway
 * Midland Terminal Railway
 * Pueblo and Suburban Traction and Lighting Company
 * Southern Colorado Power and Railway Company
 * South Denver Cable Railway
 * Trinidad Electric Transmission, Railway and Gas Company
 * West End Street Railroad