List of Montana railroads - AbsoluteAstronomy.com

Common freight carriers

BNSF Railway
BNSF Railway
The BNSF Railway is a wholly owned subsidiary of Berkshire Hathaway Inc., and is headquartered in Fort Worth, Texas. It is one of seven North American Class I railroads and the second largest freight railroad network in North America, second only to the Union Pacific Railroad, its primary...

(BNSF)
Butte, Anaconda and Pacific Railway
Butte, Anaconda and Pacific Railway
The Butte, Anaconda and Pacific Railway is a short line railroad in the U.S. state of Montana which was founded in 1892. It was financed by the interests behind the Anaconda Copper Mining Company and operated primarily to carry copper ore from the mines at Butte, Montana to the smelters at...

(RARW)
Central Montana Rail, Inc. (CM)
Dakota, Missouri Valley and Western Railroad
Dakota, Missouri Valley and Western Railroad
The Dakota, Missouri Valley and Western Railroad started operations in September 1990 operating over 360 miles of former Soo Line Railroad track in Montana and North Dakota. The railroad operates approximately 523 miles of track...

(DMVW)
Mission Mountain Railroad (MMT)
Montana Rail Link (MRL)
Tongue River Railroad (proposed)
Union Pacific Railroad
Union Pacific Railroad
The Union Pacific Railroad , headquartered in Omaha, Nebraska, is the largest railroad network in the United States. James R. Young is president, CEO and Chairman....

(UP)
Yellowstone Valley Railroad
Yellowstone Valley Railroad
The Yellowstone Valley Railroad is a shortline railroad in northeastern Montana, also crossing into North Dakota. It operates two branch lines leased from the BNSF Railway in 2005 - Snowden to Glendive and Bainville to Scobey - connected by trackage rights over BNSF's Northern Transcon between...

(YSVR)

Defunct railroads

Name	Mark Reporting mark A reporting mark is a two-, three-, or four-letter alphabetic code used to identify owners or lessees of rolling stock and other equipment used on the North American railroad network. The marks are stenciled on each piece of equipment, along with a one-to-six-digit number, which together uniquely...	SystemThis is one or more of the Class I railroad Class I railroad A Class I railroad in the United States and Mexico, or a Class I rail carrier in Canada, is a large freight railroad company, as classified based on operating revenue.Smaller railroads are classified as Class II and Class III... s that the railroad became part of, if any.	From	To	Successor	Notes
Big Blackfoot Railway		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1910	1916	Chicago, Milwaukee and St. Paul Railway
Big Horn Railroad		CB&Q Chicago, Burlington and Quincy Railroad The Chicago, Burlington and Quincy Railroad was a railroad that operated in the Midwestern United States. Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kentucky, Missouri,...	1905	1916	Chicago, Burlington and Quincy Railroad Chicago, Burlington and Quincy Railroad The Chicago, Burlington and Quincy Railroad was a railroad that operated in the Midwestern United States. Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kentucky, Missouri,...
Big Horn Southern Railroad		CB&Q Chicago, Burlington and Quincy Railroad The Chicago, Burlington and Quincy Railroad was a railroad that operated in the Midwestern United States. Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kentucky, Missouri,...	1888	1897	Chicago, Burlington and Quincy Railroad Chicago, Burlington and Quincy Railroad The Chicago, Burlington and Quincy Railroad was a railroad that operated in the Midwestern United States. Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kentucky, Missouri,...
Billings and Central Montana Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1912	1921	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Billings and Northern Railroad		GN	1902	1907	Great Northern Railway
Burlington Northern Inc.	BN		1970	1981	Burlington Northern Railroad Burlington Northern Railroad The Burlington Northern Railroad was a United States-based railroad company formed from a merger of four major U.S. railroads. Burlington Northern operated between 1970 and 1996....
Burlington Northern Railroad Burlington Northern Railroad The Burlington Northern Railroad was a United States-based railroad company formed from a merger of four major U.S. railroads. Burlington Northern operated between 1970 and 1996....	BN		1981	1996	Burlington Northern and Santa Fe Railway
Butte, Anaconda and Pacific Railway Butte, Anaconda and Pacific Railway The Butte, Anaconda and Pacific Railway is a short line railroad in the U.S. state of Montana which was founded in 1892. It was financed by the interests behind the Anaconda Copper Mining Company and operated primarily to carry copper ore from the mines at Butte, Montana to the smelters at...	BA&P, BAP		1892	1985	Rarus Railway
Butte, Wisdom and Pacific Railway			1913	1914	Southern Montana Railway
Camp Creek Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1911	1914	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Chicago, Burlington and Quincy Railroad Chicago, Burlington and Quincy Railroad The Chicago, Burlington and Quincy Railroad was a railroad that operated in the Midwestern United States. Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kentucky, Missouri,...	CB&Q	CB&Q	1894	1970	Burlington Northern Inc.
Chicago, Burlington and Quincy Railway		CB&Q Chicago, Burlington and Quincy Railroad The Chicago, Burlington and Quincy Railroad was a railroad that operated in the Midwestern United States. Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kentucky, Missouri,...	1901	1907	N/A	Leased the Chicago, Burlington and Quincy Railroad Chicago, Burlington and Quincy Railroad The Chicago, Burlington and Quincy Railroad was a railroad that operated in the Midwestern United States. Commonly referred to as the Burlington or as the Q, the Burlington Route served a large area, including extensive trackage in the states of Colorado, Illinois, Iowa, Kentucky, Missouri,...
Chicago, Milwaukee and Puget Sound Railway		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1909	1912	Chicago, Milwaukee and St. Paul Railway
Chicago, Milwaukee and St. Paul Railway		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1912	1928	Chicago, Milwaukee, St. Paul and Pacific Railroad Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...
Chicago, Milwaukee and St. Paul Railway of Montana		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1905	1908	Chicago, Milwaukee and St. Paul Railway of Washington
Chicago, Milwaukee and St. Paul Railway of Washington		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1908	1909	Chicago, Milwaukee and Puget Sound Railway
Chicago, Milwaukee, St. Paul and Pacific Railroad Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	MILW	MILW	1928	1982	Burlington Northern Railroad Burlington Northern Railroad The Burlington Northern Railroad was a United States-based railroad company formed from a merger of four major U.S. railroads. Burlington Northern operated between 1970 and 1996....
Clearwater Short Line Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1898	1914	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Coeur d'Alene Railway and Navigation Company		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1886	1897	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Drummond and Philipsburg Railroad		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1887	1888	Northern Pacific and Montana Railroad
Elliston and Southern Railroad			1896		N/A
Gallatin Valley Railway		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1910	1918	Chicago, Milwaukee and St. Paul Railway
Gallatin Valley Electric Railway		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1908	1910	Gallatin Valley Railway
Gaylord and Ruby Valley Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1897	1899	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Gilmore and Pittsburgh Railroad Gilmore and Pittsburgh Railroad The Gilmore and Pittsburgh Railroad , now defunct, was an American railroad located in southwestern Montana and east-central Idaho. Constructed in 1909 and 1910 between the towns of Armstead, Montana and Salmon, Idaho, the G&P served mining and agricultural areas in Lemhi County, Idaho and...		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1907	1939	N/A
Great Falls and Canada Railway		GN	1889	1901	Montana and Great Northern Railway
Great Falls Terminal Railway		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1912	1914	Chicago, Milwaukee and St. Paul Railway
Great Falls and Teton County Railway		GN	1912	1914	Great Northern Railway
Great Northern Railway	GN	GN	1890	1970	Burlington Northern Inc.
Helena, Boulder Valley and Butte Railroad		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1886	1888	Northern Pacific and Montana Railroad
Helena and Jefferson County Railroad		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1883	1898	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Helena and Northern Railroad		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1886	1888	Northern Pacific and Montana Railroad
Helena and Red Mountain Railroad		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1886	1899	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Minneapolis, St. Paul and Sault Ste. Marie Railroad Minneapolis, St. Paul and Sault Ste. Marie Railroad The Minneapolis, St. Paul and Sault Ste. Marie Railroad was a Class I railroad subsidiary of the Canadian Pacific Railway in the Midwest U.S. Commonly known as the Soo Line after the phonetic spelling of Sault, it was merged with several other major CP subsidiaries on January 1, 1961 to form the...	SOO	CP Canadian Pacific Railway The Canadian Pacific Railway , formerly also known as CP Rail between 1968 and 1996, is a historic Canadian Class I railway founded in 1881 and now operated by Canadian Pacific Railway Limited, which began operations as legal owner in a corporate restructuring in 2001...	1944	1961	Soo Line Railroad Soo Line Railroad The Soo Line Railroad is the primary United States railroad subsidiary of the Canadian Pacific Railway , controlled through the Soo Line Corporation, and one of seven U.S. Class I railroads. Although it is named for the Minneapolis, St. Paul and Sault Ste...
Minneapolis, St. Paul and Sault Ste. Marie Railway	SOO	CP Canadian Pacific Railway The Canadian Pacific Railway , formerly also known as CP Rail between 1968 and 1996, is a historic Canadian Class I railway founded in 1881 and now operated by Canadian Pacific Railway Limited, which began operations as legal owner in a corporate restructuring in 2001...	1913	1944	Minneapolis, St. Paul and Sault Ste. Marie Railroad Minneapolis, St. Paul and Sault Ste. Marie Railroad The Minneapolis, St. Paul and Sault Ste. Marie Railroad was a Class I railroad subsidiary of the Canadian Pacific Railway in the Midwest U.S. Commonly known as the Soo Line after the phonetic spelling of Sault, it was merged with several other major CP subsidiaries on January 1, 1961 to form the...
Missoula and Bitter Root Valley Railroad		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1887	1888	Northern Pacific and Montana Railroad
Missoula and Hamilton Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1911	1916	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Missouri River Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1906	1914	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Montana Railroad Montana Railroad The Montana Railroad, now defunct, was an American railroad built and operated between the towns of Lombard and Lewistown, Montana, a distance of approximately 157 miles. The railroad connected with the national railway network via a connection with the Northern Pacific Railway at Lombard...		MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1894	1910	Chicago, Milwaukee and Puget Sound Railway
Montana Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1881	1898	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Montana Central Railway Montana Central Railway The Montana Central Railway was a railway company which operated in the American state of Montana from 1886 to 1907. It was constructed by James Jerome Hill's St. Paul, Minneapolis & Manitoba Railway, and became part of the Great Northern Railway in 1889....		GN	1886	1907	Great Northern Railway
Montana Eastern Railway		GN	1912	1928	Great Northern Railway
Montana and Great Northern Railway		GN	1901	1907	Great Northern Railway, St. Paul, Minneapolis and Manitoba Railway
Montana Southern Railway Montana Southern Railway The Montana Southern Railway, now defunct, was an American narrow-gauge railroad constructed between Divide, Montana and the mining district of Coolidge, Montana. The short-lived line is noteworthy as the last common-carrier narrow-gauge railroad to be constructed in the United States.-History:The...			1917	1940	N/A
Montana Southern Railway Montana Southern Railway The Montana Southern Railway, now defunct, was an American narrow-gauge railroad constructed between Divide, Montana and the mining district of Coolidge, Montana. The short-lived line is noteworthy as the last common-carrier narrow-gauge railroad to be constructed in the United States.-History:The...		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1893	1897	Gaylord and Ruby Valley Railway
Montana Union Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1886	1898	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Montana Western Railway	MWRR		1986	2003	Burlington Northern and Santa Fe Railway
Montana Western Railway			1909	1970	Burlington Northern Inc.
Montana, Wyoming and Southern Railroad	MW&S, MWS		1909	1955	N/A
Northern Pacific Railroad		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1864	1896	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	NP	NP	1896	1970	Burlington Northern Inc.
Northern Pacific and Montana Railroad		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1888	1898	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Oregon Short Line Railroad Oregon Short Line Railroad The Oregon Short Line Railroad was a railroad in the U.S. states of Wyoming, Idaho, Utah, Montana and Oregon. The line was as organized the Oregon Short Line Railway in 1881 as a subsidiary of Union Pacific Railway. Union Pacific intended the line to be the shortest route from Wyoming to Oregon...		UP Union Pacific Railroad The Union Pacific Railroad , headquartered in Omaha, Nebraska, is the largest railroad network in the United States. James R. Young is president, CEO and Chairman....	1897	1987	Union Pacific Railroad Union Pacific Railroad The Union Pacific Railroad , headquartered in Omaha, Nebraska, is the largest railroad network in the United States. James R. Young is president, CEO and Chairman....
Oregon Short Line and Utah Northern Railway		UP Union Pacific Railroad The Union Pacific Railroad , headquartered in Omaha, Nebraska, is the largest railroad network in the United States. James R. Young is president, CEO and Chairman....	1889	1897	Oregon Short Line Railroad Oregon Short Line Railroad The Oregon Short Line Railroad was a railroad in the U.S. states of Wyoming, Idaho, Utah, Montana and Oregon. The line was as organized the Oregon Short Line Railway in 1881 as a subsidiary of Union Pacific Railway. Union Pacific intended the line to be the shortest route from Wyoming to Oregon...
Rarus Railway	RARW		1985	2007	Butte, Anaconda and Pacific Railway Butte, Anaconda and Pacific Railway The Butte, Anaconda and Pacific Railway is a short line railroad in the U.S. state of Montana which was founded in 1892. It was financed by the interests behind the Anaconda Copper Mining Company and operated primarily to carry copper ore from the mines at Butte, Montana to the smelters at...
Rocky Fork and Cooke City Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1886	1898	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Rocky Mountain Railroad of Montana		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1881	1898	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
St. Paul, Minneapolis and Manitoba Railway		GN	1879	1907	Great Northern Railway
Shields River Valley Railway		NP Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	1908	1914	Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...
Soo Line Railroad Soo Line Railroad The Soo Line Railroad is the primary United States railroad subsidiary of the Canadian Pacific Railway , controlled through the Soo Line Corporation, and one of seven U.S. Class I railroads. Although it is named for the Minneapolis, St. Paul and Sault Ste...	SOO	CP Canadian Pacific Railway The Canadian Pacific Railway , formerly also known as CP Rail between 1968 and 1996, is a historic Canadian Class I railway founded in 1881 and now operated by Canadian Pacific Railway Limited, which began operations as legal owner in a corporate restructuring in 2001...	1961			Still exists in Montana as a lessor of the Dakota, Missouri Valley and Western Railroad Dakota, Missouri Valley and Western Railroad The Dakota, Missouri Valley and Western Railroad started operations in September 1990 operating over 360 miles of former Soo Line Railroad track in Montana and North Dakota. The railroad operates approximately 523 miles of track...
Southern Montana Railway			1914	1917	Montana Southern Railway Montana Southern Railway The Montana Southern Railway, now defunct, was an American narrow-gauge railroad constructed between Divide, Montana and the mining district of Coolidge, Montana. The short-lived line is noteworthy as the last common-carrier narrow-gauge railroad to be constructed in the United States.-History:The...
Utah and Northern Railway Utah and Northern Railway The Utah and Northern Railway is a defunct railroad that was operated in the Utah Territory and later in the Idaho Territory and Montana Territory in the western United States during the 1870s and 1880s. It was the first railroad in Idaho and in Montana....		UP Union Pacific Railroad The Union Pacific Railroad , headquartered in Omaha, Nebraska, is the largest railroad network in the United States. James R. Young is president, CEO and Chairman....	1878	1889	Oregon Short Line and Utah Northern Railway
White Sulphur Springs and Yellowstone Park Railway White Sulphur Springs and Yellowstone Park Railway The White Sulphur Springs and Yellowstone Park Railway , now defunct, was an American railroad built and operated between the towns of Ringling and White Sulphur Springs, Montana, a distance of 22.8 miles. The railroad, constructed in 1910, provided White Sulphur Springs with a link to the...	WSYP	MILW Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	1910	1980	N/A
Yellowstone Park Railroad			1905	1909	Montana, Wyoming and Southern Railroad

Electric

Amador Railway
Anaconda Copper Mining Company (Electric Light and Railway Department)
Bozeman Street Railway
Butte, Anaconda and Pacific Railway
Butte, Anaconda and Pacific Railway
The Butte, Anaconda and Pacific Railway is a short line railroad in the U.S. state of Montana which was founded in 1892. It was financed by the interests behind the Anaconda Copper Mining Company and operated primarily to carry copper ore from the mines at Butte, Montana to the smelters at...

(BA&P, BAP)
Butte Consolidated Railway
Butte Electric Railway
Gallatin Light, Power and Railway Company
Gallatin Valley Railway
Gallatin Valley Electric Railway
Great Falls Street Railway
Helena Light and Railway Company
Helena Light and Traction Company

Not completed

Montana Railway
North and South Railway
North and South Railway
The North and South Railway , now defunct, was an American railroad planned for construction between Casper, Wyoming and Miles City, Montana, via Sheridan, Wyoming...

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