The following railroads operate in the U.S. state of Arizona.
Class I Railroads
- BNSF Railway (BNSF)
- Union Pacific Railroad (UP)
Shortline and Terminal Railroads
- Apache Railway (APA)
- Arizona and California Railroad (ARZC)
- Arizona Central Railroad (AZCR)
- Arizona Eastern Railway (AZER)
- Copper Basin Railway (CBRY)
- Port of Tucson Railroad (POT)
- Kingman Terminal Railroad (KGTR)
- San Manuel Arizona Railroad (SMA)
- San Pedro Valley Railroad (SPVR)
- Sonoran Valley Railroad (SVR)
Passenger Railroads
- Amtrak (AMTK): Southwest Chief, Sunset Limited, Texas Eagle
- Valley Metro Rail
- Tempe Streetcar
- Sun Link
- Old Pueblo Trolley
Heritage and Scenic Railroads
- Grand Canyon Railway (GCRY)
- Old Pueblo Trolley
- Verde Canyon Railroad
Industrial Rail Operations
- Camp Navajo Railroad
- Drake Switching Company
- Freeport McMoRan Railroad
Defunct railroads
<!--Arizona Central Railroad?-->
{| class="wikitable sortable"
!Name
!Mark
!System
!From
!To
!Successor
!Notes
|-
|Arizona and California Railway
|
|ATSF
|1903
|1911
|California, Arizona and Santa Fe Railway
|-
|Arizona and Colorado Railroad
|
|SP
|1902
|1910
|Arizona Eastern Railroad
|-
|Arizona Eastern Railroad
|AE
|
|1904
|1955
|Southern Pacific Company
|-
|Arizona Extension Railroad
|
|
|1917<!--??-->
|<!--no idea-->
|N/A
|-
|Arizona Mineral Belt Railroad
|
|
|1883<!--?-->
|1888
|Central Arizona Railway
|-
|Arizona Narrow Gauge Railroad
|
|
|1882
|1887
|Tucson, Globe and Northern Railroad
|-
|Arizona and New Mexico Railway
|
|SP
|1883
|1935
|El Paso and Southwestern Railroad
|-
|Arizona and South Eastern Railroad
|
|SP
|1888
|1902
|El Paso and Southwestern Railroad
|-
|Arizona Southern Railroad
|AZS
|
|1904
|1933<!--?-->
|N/A
|-
|Arizona and Swansea Railroad
|
|
|1909
|1931<!--?-->
|N/A
|-
|Atchison, Topeka and Santa Fe Railway
|ATSF
|ATSF
|1902
|1996
|Burlington Northern and Santa Fe Railway
|-
|Atlantic and Pacific Railroad
|
|ATSF
|1866
|1897
|Santa Fe Pacific Railroad
|-
|Arizona and Utah Railway
|
|ATSF
|1899
|1905
|Western Arizona Railway
|-
|Black Mesa and Lake Powell Railroad
|BLKM
|
|1973
|2019
|N/A
|-
|Bradshaw Mountain Railroad
|
|ATSF
|1901
|1912
|California, Arizona and Santa Fe Railway
|-
|California, Arizona and Santa Fe Railway
|
|ATSF
|1911
|1963
|Atchison, Topeka and Santa Fe Railway
|-
|Central Arizona Railway
|
|
|1889<!--?-->
|1937<!--??-->
|N/A
|-
|Clifton and Southern Pacific Railway
|
|SP
|1883
|1883
|Arizona and New Mexico Railway
|-
|Dragoon Mountain and Northern Railroad
|
|SP
|1906
|1907
|Johnson, Dragoon Mountain and Northern Railway
|-
|El Paso and Southwestern Company
|
|SP
|1908
|1912
|N/A
|Leased the El Paso and Southwestern Railroad
|-
|El Paso and Southwestern Railroad
|
|SP
|1901
|1955
|Southern Pacific Company
|-
|Gila Valley, Globe and Northern Railway
|
|SP
|1894
|1910
|Arizona Eastern Railroad
|-
|Grand Canyon Railway
|
|ATSF
|1901
|1942
|Atchison, Topeka and Santa Fe Railway
|-
|Johnson, Dragoon Mountain and Northern Railway
|
|SP
|1907
|1908
|Johnson–Dragoon and Northern Railway
|-
|Johnson–Dragoon and Northern Railway
|
|SP
|1908
|1911
|Southern Pacific Company
|-
|Magma Arizona Railroad
|MAA
|
|1914
|1997<!--?-->
|N/A
|-
|Maricopa and Phoenix Railroad
|
|SP
|1907
|1910
|Arizona Eastern Railroad
|-
|Maricopa and Phoenix Railroad
|
|SP
|1885
|1895
|Maricopa and Phoenix and Salt River Valley Railroad
|-
|Maricopa and Phoenix and Salt River Valley Railroad
|
|SP
|1895
|1907
|Maricopa and Phoenix Railroad
|-
|Mascot and Western Railroad
|MASW
|
|1914
|1932<!--???-->
|N/A
|-
|Mexico and Colorado Railroad
|
|SP
|1908
|1910
|El Paso and Southwestern Railroad
|-
|Mohave and Milltown Railway
|
|
|1903
|1904
|N/A
|-
|Morenci Southern Railway
|
|SP
|1899
|1922
|Morenci Industrial Railway
|-
|New Mexico and Arizona Railroad
|
|SP
|1882
|1934
|Southern Pacific Railroad
|-
|Phoenix and Buckeye Railway
|
|SP
|1909
|1910
|Arizona Eastern Railroad
|-
|Phoenix and Eastern Railroad
|
|SP
|1901
|1934
|Southern Pacific Company
|-
|Phoenix, Tempe and Mesa Railway
|
|SP
|1894
|1895
|Maricopa and Phoenix and Salt River Valley Railroad
|-
|Prescott and Arizona Central Railway
|
|
|1885<!--?-->
|1893
|N/A
|-
|Prescott and Eastern Railroad
|
|ATSF
|1897
|1911
|California, Arizona and Santa Fe Railway
|-
|Ray and Gila Valley Railroad
|R&GV
|
|1910
|1943
|Copper Basin Railway
|-
|Saginaw Southern Railroad
|
|
|1898
|1903<!--?-->
|N/A
|-
|San Manuel Arizona Railroad
|SMA
|
|1953
|2003<!--?-->
|N/A
|-
|San Pedro and Southwestern Railway
|SWKR
|
|1992
|2003
|San Pedro and Southwestern Railroad
|-
|Santa Fe and Grand Canyon Railroad
|
|ATSF
|1897
|1901
|Grand Canyon Railway
|-
|Santa Fe Pacific Railroad
|
|ATSF
|1897
|1902
|Atchison, Topeka and Santa Fe Railway
|-
|Santa Fe, Prescott and Phoenix Railway
|
|ATSF
|1891
|1911
|California, Arizona and Santa Fe Railway
|-
|Shannon–Arizona Railway
|
|
|1909
|1919
|Morenci Industrial Railway
|-
|Southern Pacific Railroad
|
|SP
|1878
|1955
|Southern Pacific Company
|-
|Southern Pacific Company
|SP
|SP
|1885
|1969
|Southern Pacific Transportation Company
|-
|Southern Pacific Transportation Company
|SP
|SP
|1969
|1998
|Union Pacific Railroad
|-
|Southwestern Railroad of Arizona
|
|SP
|1900
|1901
|El Paso and Southwestern Railroad
|-
|Tucson, Cornelia and Gila Bend Railroad
|TC&G, TCG
|
|1915
|1985
|N/A
|-
|Tucson, Globe and Northern Railroad
|
|
|1887
|
|N/A
|Never opened
|-
|Tucson and Nogales Railroad
|
|SP
|1909
|1934
|Southern Pacific Railroad
|-
|Twin Buttes Railroad
|
|
|1904
|1929<!--??-->
|N/A
|-
|United Verde & Pacific Railway
|
|
|1894
|1920
|N/A
|-
|Verde Tunnel and Smelter Railroad
|
|
|1912
|1953
|N/A
|-
|Verde Valley Railway
|
|ATSF
|1911
|1942
|Atchison, Topeka and Santa Fe Railway
|-
|Western Arizona Railway
|
|ATSF
|1906
|1931
|N/A
|-
|Yuma Valley Railroad
|
|SP
|1914<!--construction began; wasn't chartered-->
|<!--no idea - the 1983 abandonment between Steam and Somerton was a discontinuance by SP over YV trackage-->
|
|}
;Private freight carriers
thumb|A Southwest Lumber Mills locomotive in 1959. A similar unit is on display in downtown Flagstaff.
thumb|Southwest Lumber Mills locomotive on display in Flagstaff, Arizona in 2020
thumb|Saginaw and Manistee Lumber Company log train in the [[Kaibab National Forest, circa 1900.]]
thumb|Sagniaw and Manistee Lumber Company locomotive on display in 2020
- Apache Lumber Company
- Arizona Lumber and Timber Company
- Cady Lumber Company
- Congress Gold Company
- Coronado Railroad
- Flagstaff Lumber Manufacturing Company
- Helvetia Copper Company
- Kennecott Copper Corporation
- Morenci Industrial Railway
- Saginaw and Manistee Lumber Company
- Six Companies, Inc.
- Southwest Forest Industries
- Southwest Lumber Mills, Inc.
- Tombstone and Southern Railroad
;Passenger carriers
- White Mountain Scenic Railroad
- Yuma Valley Railway
;Electric
- Douglas Street Railway
- Douglas Traction and Light Company
- Phoenix Railway
- Phoenix Railway of Arizona
- Phoenix Street Railway<!--?-->
- Prescott and Mount Union Railway
- Tucson Rapid Transit Company
- Tucson Street Railway
- Warren Company
- Warren–Bisbee Railway
See also
- Passenger train stations in Arizona