| Name
|
Mark
|
System[a]
|
From
|
To
|
Successor
|
Notes
|
| Argentine Central Railway
|
|
|
1905
|
1912
|
Argentine and Gray's Peak Railway
|
| Argentine and Gray's Peak Railway
|
|
|
1913
|
1918
|
N/A
|
| Arkansas Valley Railroad
|
|
ATSF
|
1900
|
1907
|
Atchison, Topeka and Santa Fe Railway
|
| Aspen Short Line Railway
|
|
|
1888
|
1893
|
Colorado Midland Railroad
|
| Aspen and Western Railway
|
|
|
1880
|
1892
|
Crystal River Railway
|
| Associated Railroads
|
none
|
AT&SF, CB&Q (BN), CRI&P, C&S (BN) and D&RGW
|
1953
|
1988
|
Regional Transportation District
|
Consortium formed to operate former Denver and Inter-Mountain Railroad line to the Denver Federal Center. Service provided alternately by C&S (BN) and D&RGW on behalf of the other owning railroads.
|
| Atchison, Topeka and Santa Fe Railroad
|
|
ATSF
|
1873
|
1895
|
Atchison, Topeka and Santa Fe Railway
|
| Atchison, Topeka and Santa Fe Railway
|
ATSF
|
ATSF
|
1895
|
1996
|
Burlington Northern and Santa Fe Railway
|
| Beaver, Penrose and Northern Railway
|
|
|
1909
|
1920
|
N/A
|
| Book Cliff Railroad
|
|
|
1899
|
1925
|
N/A
|
| Burlington and Colorado Railroad
|
|
CB&Q
|
1881
|
1908
|
Chicago, Burlington and Quincy Railroad
|
| Burlington Northern Inc.
|
BN
|
|
1970
|
1981
|
Burlington Northern Railroad
|
| Burlington Northern Railroad
|
BN
|
|
1981
|
1996
|
Burlington Northern and Santa Fe Railway
|
| Busk Tunnel Railway
|
|
|
1890
|
1900
|
Colorado Midland Railway
|
| Cadillac and Lake City Railway
|
CLK
|
|
1981
|
1989
|
N/A
|
| Canon de Agua Railroad
|
|
CB&Q
|
1889
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Canon City and Cripple Creek Railroad
|
|
|
1897
|
1915
|
N/A
|
| Canon City and San Juan Railway
|
|
ATSF
|
1877
|
1878
|
Pueblo and Arkansas Valley Railroad
|
| Canon Coal Railway
|
|
DRGW
|
1872
|
1878
|
Denver and Rio Grande Railway
|
| Central Kansas Railway
|
CKRY
|
|
1997
|
2001
|
Kansas and Oklahoma Railroad
|
| Chicago, Burlington and Quincy Railroad
|
CB&Q
|
CB&Q
|
1881
|
1970
|
Burlington Northern Inc.
|
| Chicago, Burlington and Quincy Railway
|
|
CB&Q
|
1901
|
1907
|
N/A
|
Leased the Chicago, Burlington and Quincy Railroad
|
| Chicago, Kansas and Nebraska Railway
|
|
RI
|
1888
|
1891
|
Chicago, Rock Island and Pacific Railway
|
| Chicago, Rock Island and Colorado Railway
|
|
RI
|
1888
|
1888
|
Chicago, Kansas and Nebraska Railway
|
| Chicago, Rock Island and Pacific Railroad
|
RI, ROCK
|
RI
|
1947
|
1980
|
Cadillac and Lake City Railway
|
| Chicago, Rock Island and Pacific Railway
|
RI
|
RI
|
1888
|
1948
|
Chicago, Rock Island and Pacific Railroad
|
| Chicosa Canon Railway
|
|
CB&Q
|
1889
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Clear Creek and Guy Gulch Wagon Road Company
|
|
CB&Q
|
1871
|
1873
|
Colorado Central Railroad
|
| Colorado Railroad
|
|
|
1938
|
1957
|
N/A
|
| Colorado Railroad
|
|
CB&Q
|
1906
|
1930
|
Colorado and Southern Railway
|
| Colorado Railway
|
|
DRGW
|
1883
|
1888
|
Denver and Rio Grande Railroad
|
| Colorado Central Railroad
|
|
CB&Q
|
1869
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Colorado Central and Pacific Railroad
|
|
CB&Q
|
1866
|
1869
|
Colorado Central Railroad
|
| Colorado and Clear Creek Railroad
|
|
CB&Q
|
1865
|
1866
|
Colorado Central and Pacific Railroad
|
| Colorado Eastern Railroad
|
|
|
1894
|
1915
|
N/A
|
| Colorado Eastern Railway
|
|
|
1888
|
1894
|
Colorado Eastern Railroad
|
| Colorado–Kansas Railway
|
|
|
1911
|
1932
|
Colorado Railroad
|
| Colorado, Kansas and Pacific Railway
|
CKP
|
|
2000
|
2003
|
Towner Railway
|
| Colorado Midland Railroad
|
CM
|
|
1917
|
1921
|
Midland Terminal Railway
|
| Colorado Midland Railroad
|
|
|
1893
|
1897
|
Colorado Midland Railway
|
| Colorado Midland Railway
|
|
|
1897
|
1917
|
Colorado Midland Railroad
|
| Colorado Midland Railway
|
|
|
1883
|
1893
|
Colorado Midland Railroad
|
| Colorado and New Mexico Railroad
|
|
ATSF
|
1873
|
1875
|
Pueblo and Arkansas Valley Railroad
|
| Colorado Northern Railway
|
|
CB&Q
|
1883
|
1884
|
Denver, Utah and Pacific Railroad
|
| Colorado and Northwestern Railroad
|
|
|
1904
|
1909
|
Denver, Boulder and Western Railroad
|
| Colorado and Northwestern Railway
|
|
|
1897
|
1904
|
Colorado and Northwestern Railroad
|
| Colorado and Pacific Wagon, Telegraph and Railroad Company
|
|
CB&Q
|
1861
|
1871
|
Clear Creek and Guy Gulch Wagon Road Company
|
| Colorado and Salt Lake Railroad
|
|
CB&Q
|
1871
|
1872
|
Colorado Central Railroad
|
| Colorado and Southeastern Railroad
|
C&SE
|
|
1909
|
1952
|
N/A
|
| Colorado and Southeastern Railway
|
|
|
1903
|
1909
|
Colorado and Southeastern Railroad
|
| Colorado and Southern Railway
|
C&S, CS
|
CB&Q
|
1898
|
1981
|
Burlington Northern Railroad
|
| Colorado Southwestern Railway
|
|
DRGW
|
1888
|
1889
|
Rio Grande Junction Railway
|
| Colorado Springs and Cripple Creek District Railway
|
CCD
|
|
1899
|
1920
|
N/A
|
| Colorado and Utah Railway
|
|
|
1886
|
1892
|
Crystal River Railway
|
| Colorado and Wyoming Railroad
|
|
CB&Q
|
1887
|
1908
|
Chicago, Burlington and Quincy Railroad
|
| Colorado, Wyoming and Eastern Railway
|
|
UP
|
1914
|
1924
|
Northern Colorado and Eastern Railroad
|
| Colorado, Wyoming and Great Northern Railroad
|
|
|
1894
|
1899
|
Book Cliff Railroad
|
| Cripple Creek and Colorado Springs Railroad
|
|
|
1915
|
1921
|
Midland Terminal Railway
|
| Cripple Creek District Railway
|
|
|
1897
|
1899
|
Colorado Springs and Cripple Creek District Railway
|
| Crystal River Railroad
|
|
|
1898
|
1941
|
N/A
|
| Crystal River Railway
|
|
|
1892
|
1898
|
Crystal River Railroad
|
| Crystal River and San Juan Railroad
|
|
|
1906
|
1941
|
N/A
|
| Denver Railroad and Land Company
|
|
|
1886
|
1887
|
Denver Railroad, Land and Coal Company
|
| Denver Railroad, Land and Coal Company
|
|
|
1887
|
1888
|
Colorado Eastern Railway
|
| Denver Railway
|
DRWY
|
|
1989
|
1993
|
Denver Rock Island Railroad
|
| Denver and Boulder Valley Railroad
|
|
UP
|
1870
|
1898
|
Union Pacific Railroad
|
| Denver, Boulder and Western Railroad
|
|
|
1909
|
1919
|
N/A
|
| Denver Circle Railroad
|
|
ATSF
|
1880
|
1886
|
Denver and Santa Fe Railway
|
| Denver, Clear Creek and Western Railway
|
|
DRGW
|
1888
|
1899
|
Denver and Rio Grande Railroad
|
| Denver, Cripple Creek and Southwestern Railroad
|
|
CB&Q
|
1896
|
1899
|
Colorado and Southern Railway
|
| Denver, Golden and Salt Lake Railroad
|
|
CB&Q
|
1881
|
1917
|
Chicago, Burlington and Quincy Railroad
|
| Denver and Inter-Mountain Railroad
|
D&IM, DIM
|
|
1909
|
1953
|
Associated Railroads (AT&SF, CB&Q, CRI&P, C&S and D&RGW)
|
Electric after 1909
|
| Denver and Inter-Mountain Railway
|
|
|
1904
|
1909
|
Denver and Inter-Mountain Railroad
|
| Denver, Lakewood and Golden Railroad
|
|
|
1890
|
1904
|
Denver and Inter-Mountain Railway
|
| Denver, Laramie and Northern Railroad
|
|
|
1917
|
1917
|
Great Western Railway of Colorado
|
| Denver, Laramie and Northwestern Railroad
|
|
|
1910
|
1917
|
Denver, Laramie and Northern Railroad
|
| Denver, Laramie and Northwestern Railway
|
|
|
1906
|
1910
|
Denver, Laramie and Northwestern Railroad
|
| Denver, Leadville and Gunnison Railway
|
|
CB&Q
|
1889
|
1898
|
Colorado and Southern Railway
|
| Denver, Longmont and Northwestern Railroad
|
|
CB&Q
|
1881
|
1883
|
Colorado Northern Railway
|
| Denver, Marshall and Boulder Railway
|
|
CB&Q
|
1885
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Denver and Middle Park Railroad
|
|
CB&Q
|
1883
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Denver and Montana Railroad
|
|
CB&Q
|
1899
|
1908
|
Chicago, Burlington and Quincy Railroad
|
| Denver and New Orleans Railroad
|
|
CB&Q
|
1881
|
1886
|
Denver, Texas and Gulf Railroad
|
| Denver, Northwestern and Pacific Railway
|
|
DRGW
|
1902
|
1913
|
Denver and Salt Lake Railroad
|
| Denver Pacific Railway and Telegraph Company
|
|
UP
|
1867
|
1880
|
Union Pacific Railway
|
| Denver and Rio Grande Railroad
|
|
DRGW
|
1886
|
1921
|
Denver and Rio Grande Western Railroad
|
| Denver and Rio Grande Railway
|
|
DRGW
|
1870
|
1886
|
Denver and Rio Grande Railroad
|
| Denver and Rio Grande Western Railroad
|
D&RG, D&RGW, DRGW
|
DRGW
|
1920
|
1997
|
Union Pacific Railroad
|
| Denver and Salt Lake Railroad
|
D&SL
|
DRGW
|
1912
|
1927
|
Denver and Salt Lake Railway
|
| Denver and Salt Lake Railway
|
D&SL
|
DRGW
|
1926
|
1947
|
Denver and Rio Grande Western Railroad
|
| Denver and Salt Lake Western Railroad
|
|
DRGW
|
1924
|
1947
|
Denver and Rio Grande Western Railroad
|
| Denver and Santa Fe Railway
|
|
ATSF
|
1887
|
1900
|
Atchison, Topeka and Santa Fe Railway
|
| Denver, South Park and Hill Top Railway
|
|
CB&Q
|
1896
|
1897
|
Denver, Leadville and Gunnison Railway
|
| Denver, South Park and Pacific Railroad
|
|
CB&Q
|
1873
|
1889
|
Denver, Leadville and Gunnison Railway
|
| Denver, South Park and Pacific Railway
|
|
CB&Q
|
1872
|
1873
|
Denver, South Park and Pacific Railroad
|
| Denver and Southwestern Railway
|
|
|
1899
|
1904
|
Cripple Creek Central Railway (holding company)
|
| Denver Terminal Railroad
|
DTMR
|
|
1986
|
1989
|
Denver Railway
|
| Denver, Texas and Gulf Railroad
|
|
CB&Q
|
1885
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Denver, Texas and Fort Worth Railroad
|
|
CB&Q
|
1887
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Denver Union Railway and Terminal Company
|
|
UP
|
1889
|
1900
|
Union Pacific Railroad
|
| Denver Union Terminal Railway
|
DUT
|
ATSF/ CB&Q/ DRGW/ RI/ UP
|
1912
|
2001
|
Regional Transportation District
|
| Denver, Utah and Pacific Railroad
|
|
CB&Q
|
1880
|
1908
|
Chicago, Burlington and Quincy Railroad
|
| Denver, Western and Pacific Railway
|
|
CB&Q
|
1880
|
1885
|
Denver, Marshall and Boulder Railway
|
| Elk Mountain Railway
|
|
|
1887
|
1898
|
Crystal River Railroad
|
| Florence and Cripple Creek Railroad
|
|
|
1893
|
1915
|
Cripple Creek and Colorado Springs Railroad
|
| Fort Collins Development Railway
|
|
CB&Q
|
1902
|
1908
|
Colorado Railroad
|
| Fort Worth and Denver Railway
|
FWD
|
CB&Q
|
1881
|
1982
|
Burlington Northern Railroad
|
| Georgetown, Breckenridge and Leadville Railway
|
|
CB&Q
|
1881
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Gilpin Railroad
|
|
CB&Q
|
1909
|
1917
|
N/A
|
| Gilpin Tramway Company
|
|
CB&Q
|
1886
|
1906
|
Gilpin Railroad
|
| Golden Circle Railroad
|
|
|
1896
|
1915
|
Cripple Creek and Colorado Springs Railroad
|
| Golden City and Gilpin County Wagon and Railroad Company
|
|
CB&Q
|
1870
|
1872
|
Colorado Central Railroad
|
| Golden City and South Platte Railway and Telegraph Company
|
|
|
1872
|
1880
|
N/A
|
| Grand Valley Railway
|
|
DRGW
|
1886
|
1887
|
Denver and Rio Grande Railroad
|
| Greeley, Salt Lake and Pacific Railway
|
|
CB&Q
|
1881
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| Greeley Terminal Railway
|
|
|
1909
|
1917
|
N/A
|
| Holly and Swink Railway
|
|
ATSF
|
1906
|
1907
|
Atchison, Topeka and Santa Fe Railway
|
| Kansas–Colorado Railroad
|
|
|
1908
|
1910
|
Colorado–Kansas Railway
|
| Kansas Pacific Railway
|
|
UP
|
1869
|
1880
|
Union Pacific Railway
|
| Laramie, Hahns Peak and Pacific Railway
|
|
UP
|
1911
|
1914
|
Colorado, Wyoming and Eastern Railway
|
| Laramie, North Park and Western Railroad
|
|
UP
|
1924
|
1951
|
Union Pacific Railroad
|
| Larimer and Routt County Railway
|
|
UP
|
1907
|
1914
|
Colorado, Wyoming and Eastern Railway
|
| Leadville Mineral Belt Railway
|
|
CB&Q
|
1898
|
1900
|
Colorado and Southern Railway
|
| Leadville, Ten Mile and Breckenridge Railway
|
|
DRGW
|
1880
|
1880
|
Denver and Rio Grande Railway
|
| Little Book Cliff Railway
|
|
|
1889
|
1894
|
Colorado, Wyoming and Great Northern Railroad
|
| London, South Park and Leadville Railroad
|
|
|
1882
|
1885
|
South Park and Leadville Short Line Railroad
|
| Longmont and Erie Railroad
|
|
CB&Q
|
1878
|
1881
|
Denver, Longmont and Northwestern Railroad
|
| Midland Terminal Railway
|
MTR
|
|
1892
|
1949
|
N/A
|
| Missouri Pacific Railroad
|
MP
|
MP
|
1917
|
1997
|
Union Pacific Railroad
|
| Missouri Pacific Railway
|
|
MP
|
1887
|
1917
|
Missouri Pacific Railroad
|
| Mount Carbon, Gunnison and Lake City Railroad and Coal Transportation Company
|
|
CB&Q
|
1877
|
1881
|
Denver, South Park and Pacific Railroad
|
| Nebraska, Kansas and Colorado RailNet
|
NKCR
|
|
1996
|
2005
|
Nebraska Kansas Colorado Railway
|
| Northern Colorado and Eastern Railroad
|
|
UP
|
1924
|
1924
|
Laramie, North Park and Western Railroad
|
| Northwestern Terminal Railroad
|
|
DRGW
|
1927
|
1968
|
Denver and Rio Grande Western Railroad
|
| Northwestern Terminal Railway
|
|
DRGW
|
1904
|
1927
|
Northwestern Terminal Railroad
|
| Platt Valley Railway
|
|
|
1993
|
1993
|
Denver Rock Island Railroad
|
| Pueblo and Arkansas Valley Railroad
|
|
ATSF
|
1875
|
1900
|
Atchison, Topeka and Santa Fe Railway
|
| Pueblo and Salt Lake Railway
|
|
ATSF
|
1873
|
1875
|
Pueblo and Arkansas Valley Railroad
|
| Pueblo and State Line Railroad
|
|
MP
|
1887
|
1910
|
Missouri Pacific Railway
|
| Pueblo Union Depot and Railroad Company
|
|
ATSF/ CB&Q/ DRGW/ MP/ RI
|
1887
|
|
|
| Rio Grande Railroad
|
|
DRGW
|
1900
|
1908
|
Denver and Rio Grande Railroad
|
| Rio Grande Gunnison Railway
|
|
DRGW
|
1891
|
1908
|
Denver and Rio Grande Railroad
|
| Rio Grande Junction Railway
|
|
DRGW
|
1889
|
1947
|
Denver and Rio Grande Western Railroad
|
| Rio Grande, Pagosa and Northern Railroad
|
|
DRGW
|
1899
|
1908
|
Denver and Rio Grande Railroad
|
| Rio Grande and Pagosa Springs Railroad
|
|
|
1895
|
1914
|
N/A
|
| Rio Grande, Pueblo and Southern Railroad
|
|
DRGW
|
1902
|
1908
|
Denver and Rio Grande Railroad
|
| Rio Grande Sangre de Cristo Railroad
|
|
DRGW
|
1901
|
1908
|
Denver and Rio Grande Railroad
|
| Rio Grande Southern Railroad
|
|
DRGW
|
1889
|
1951
|
N/A
|
| Rio Grande Western Railway
|
|
DRGW
|
1889
|
1908
|
Denver and Rio Grande Railroad
|
| Road Canon Railroad
|
|
CB&Q
|
1889
|
1890
|
Union Pacific, Denver and Gulf Railway
|
| St. Joseph and Iowa Railroad
|
|
RI
|
1888
|
1888
|
Chicago, Rock Island and Pacific Railway
|
| San Luis Southern Railway
|
|
|
1909
|
1928
|
San Luis Valley Southern Railway
|
| San Luis Valley Southern Railway
|
|
|
1928
|
1953
|
Southern San Luis Valley Railroad
|
| Silverton Railroad
|
|
|
1887
|
1904
|
Silverton Railway
|
| Silverton Railway
|
|
|
1904
|
1922
|
N/A
|
| Silverton, Gladstone and Northerly Railroad
|
|
|
1899
|
1915
|
Silverton Northern Railroad
|
| Silverton Northern Railroad
|
|
|
1895
|
1941
|
N/A
|
| South Park and Leadville Short Line Railroad
|
|
|
1885
|
1900
|
N/A
|
| Southern San Luis Valley Railroad
|
SSLV
|
|
1953
|
1996
|
N/A
|
| State Line and Denver Railway
|
|
DRGW
|
1889
|
1889
|
Rio Grande Western Railway
|
| Trinidad Railway
|
TRIN
|
|
1992
|
|
|
Still exists as a joint lessor of the BNSF Railway and Union Pacific Railroad
|
| Trinidad and Denver Railroad
|
|
DRGW
|
1886
|
1888
|
Denver and Rio Grande Railroad
|
| Trinidad and Denver Terminal and Railway Company
|
|
DRGW
|
1888
|
1899
|
Denver and Rio Grande Railroad
|
| Uintah Railway
|
|
|
1903
|
1939
|
N/A
|
| Union Depot and Railroad Company
|
|
ATSF/ CB&Q/ DRGW/ RI/ UP
|
1879
|
1899
|
Union Depot and Railway Company
|
| Union Depot and Railway Company
|
|
ATSF/ CB&Q/ DRGW/ RI/ UP
|
1899
|
1914
|
Denver Union Terminal Railway
|
| Union Pacific Railway
|
|
UP
|
1880
|
1898
|
Union Pacific Railroad
|
| Union Pacific Railway, Eastern Division
|
|
UP
|
1866
|
1869
|
Kansas Pacific Railway
|
| Union Pacific, Denver and Gulf Railway
|
|
CB&Q
|
1890
|
1898
|
Colorado and Southern Railway
|
| Union Pacific, Lincoln and Colorado Railway
|
|
UP
|
1888
|
1898
|
N/A
|
Sold at foreclosure; no property in Colorado
|
| Walsenburg and Western Railway
|
|
CB&Q
|
1907
|
1910
|
Colorado Railroad
|
