In the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, a regional railroad is a railroad company that is not Class I

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...

, but still has a substantial amount of traffic or trackage (and is thus not a short line). The Association of American Railroads

Association of American Railroads

The Association of American Railroads is an industry trade group representing primarily the major freight railroads of North America . Amtrak and some regional commuter railroads are also members...

 (AAR) has defined the lower bound as 350 miles (563.3 km) of track or $40 million in annual operating revenue. (The Class I threshold is $250 million, adjusted for inflation

Inflation

In economics, inflation is a rise in the general level of prices of goods and services in an economy over a period of time.When the general price level rises, each unit of currency buys fewer goods and services. Consequently, inflation also reflects an erosion in the purchasing power of money – a...

 since 1991.)

List of regional railroads

The following railroads were classified as regional by the AAR in 2007.

Railroad	Mileage	Notes
Alabama and Gulf Coast Railway Alabama and Gulf Coast Railway The Alabama and Gulf Coast Railway is one of several Class III short-line railroad companies owned by RailAmerica, Inc. It operates of track from the Pensacola, Florida export terminals, west of downtown, north to Columbus, Mississippi, with trackage rights along BNSF Railway to Amory, Mississippi...	435
Alaska Railroad Alaska Railroad The Alaska Railroad is a Class II railroad which extends from Seward and Whittier, in the south of the state of Alaska, in the United States, to Fairbanks , and beyond to Eielson Air Force Base and Fort Wainwright in the interior of that state...	506
Buffalo and Pittsburgh Railroad Buffalo and Pittsburgh Railroad The Buffalo and Pittsburgh Railroad is a Class II railroad operating in New York and Pennsylvania.The BPRR is owned by Genesee and Wyoming Industries. Its main line runs between Buffalo, New York and Eidenau, Pennsylvania, north of Pittsburgh. Here, connections are made to the city center via the...	699
Central Oregon and Pacific Railroad Central Oregon and Pacific Railroad The Central Oregon and Pacific Railroad is a Class II railroad operating between Northern California and Eugene, Oregon, United States. It was previously a mainline owned by the Southern Pacific Railroad between Eugene and Weed, California via Medford, Oregon...	447
Dakota, Minnesota and Eastern Railroad Dakota, Minnesota and Eastern Railroad The Dakota, Minnesota and Eastern Railroad is a Class II railroad subsidiary of the Canadian Pacific Railway operating across South Dakota and southern Minnesota in the northern plains of the United States...	1100	Purchased by Canadian Pacific Railway 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...  in 2008
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...	534
Elgin, Joliet and Eastern Railway Elgin, Joliet and Eastern Railway The Elgin, Joliet and Eastern Railway is a Class II railroad that operates in the suburbs surrounding Chicago. The railroad is a link between Class I railroads in northeast Illinois and northwest Indiana...	164	Purchased by Canadian National Railway Canadian National Railway The Canadian National Railway Company is a Canadian Class I railway headquartered in Montreal, Quebec. CN's slogan is "North America's Railroad"....  in 2009
Florida East Coast Railway Florida East Coast Railway The Florida East Coast Railway is a Class II railroad operating in the U.S. state of Florida; in the past, it has been a Class I railroad.Built primarily in the last quarter of the 19th century and the first decade of the 20th century, the FEC was a project of Standard Oil principal Henry Morrison...	386
Great Lakes Central Railroad	396
Indiana Rail Road Indiana Rail Road The Indiana Rail Road is a United States Class II railroad, originally operating over former Illinois Central Railroad trackage from Newton, Illinois to Indianapolis, Indiana, a distance of 155 miles...	602
Indiana and Ohio Railway Indiana and Ohio Railway The Indiana and Ohio Railway is an American railroad that operates of track in Ohio and parts of southeastern Indiana. It is owned and operated by RailAmerica, having been acquired in 2000. The Indiana and Ohio Railroad was formed in 1978 to operate a branch between Valley Junction, Ohio and...	692
Iowa, Chicago and Eastern Railroad Iowa, Chicago and Eastern Railroad The Iowa, Chicago and Eastern Railroad was a Class II railroad operating in the north central United States. It has been controlled by the Canadian Pacific Railway and operated as a part of its system since October 30, 2008...	1361	Purchased by Canadian Pacific Railway 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...  in 2008
Iowa Interstate Railroad Iowa Interstate Railroad The Iowa Interstate Railroad is a Class II railroad operating in the central United States. The railroad is owned by Railroad Development Corporation of Pittsburgh, Pennsylvania.-History:...	608
Kansas and Oklahoma Railroad Kansas and Oklahoma Railroad The Kansas and Oklahoma Railroad is a shortline railroad operating in the western United States.The tracks Kansas and Oklahoma operate on include the Kansas City-Colorado main line formerly operated by the Missouri Pacific and later Union Pacific railways....	869
Kyle Railroad Kyle Railroad The Kyle Railroad is a regional railroad line that runs from North Central Kansas into Eastern Colorado. It is based in Phillipsburg, Kansas and runs on track, mostly the former Rock Island Railroad Chicago to Denver main line. The Kyle has been owned by Rail America since 2002.-History:The...	554
Missouri and Northern Arkansas Railroad Missouri and Northern Arkansas Railroad The Missouri and Northern Arkansas Railroad is a Class III short-line railroad headquartered in Carthage, Missouri.MNA operates approximately of line in Arkansas, Kansas, and Missouri. Its main line extends 384.1 miles from Kansas City, Missouri to Newport, Arkansas...	583
Montana Rail Link	905
Montreal, Maine and Atlantic Railway Montreal, Maine and Atlantic Railway The Montreal, Maine and Atlantic Railway is a Class II freight railroad operating in the U.S. states of Maine and Vermont and the Canadian provinces of New Brunswick and Quebec. Its Canadian subsidiary is the Montreal, Maine and Atlantic Canada Company. The entire system is owned by Rail World,...	527
Nebraska Kansas Colorado Railway	559
New York, Susquehanna and Western Railway New York, Susquehanna and Western Railway The New York, Susquehanna and Western Railway , also known as the Susie-Q, or simply the Susquehanna, is a Class II American freight railway operating over 500 miles of track in the northeastern states of New York, Pennsylvania and New Jersey. It was formed in 1881 from the merger of several...	357
Northern Plains Railroad Northern Plains Railroad The Northern Plains Railroad is a short line railroad that operates over 344 miles of track in the northern U.S. state of Minnesota and the northern U.S...	486
Paducah and Louisville Railway Paducah and Louisville Railway The Paducah & Louisville Railway is a Class II railroad that operates freight service between Paducah and Louisville, Kentucky.The 270-mile line was purchased from Illinois Central Gulf Railroad in August, 1986. The 223-mile main route runs between Paducah and Louisville with a branch line from...	290
Pan Am Railways Pan Am Railways Pan Am Railways, Inc. , known as Guilford Rail System before March 2006, is a holding company that owns and operates Class II regional railroads covering northern New England from Mattawamkeag, Maine to Rotterdam Junction, New York...	1165
Portland and Western Railroad Portland and Western Railroad The Portland and Western Railroad is a Class II railroad serving the U.S. state of Oregon, and is a wholly owned subsidiary of shortline and regional railroad holding company Genesee & Wyoming Inc...	587
Providence and Worcester Railroad Providence and Worcester Railroad The Providence and Worcester Railroad is a Class II railroad in the United States. The railroad connects from Gardner in central Massachusetts, south through its namesake cities of Worcester and Providence, Rhode Island, and west from Rhode Island through Connecticut and into New York City...	568
Red River Valley and Western Railroad Red River Valley and Western Railroad The Red River Valley and Western Railroad is a regional railroad operating in the US states of North Dakota and Minnesota, which began operations in 1987...	575
San Joaquin Valley Railroad San Joaquin Valley Railroad The San Joaquin Valley Railroad is one of several short line railroad companies and is part of the Sunset Division of RailAmerica. It operates about of track primarily on several lines in California's Central Valley/San Joaquin Valley outside of Fresno, California and Bakersfield, California...	351
South Kansas and Oklahoma Railroad South Kansas and Oklahoma Railroad South Kansas and Oklahoma Railroad is a short line railroad which operates 511 miles of rail lines in Kansas, Oklahoma and Missouri. SKOL is a unit of Watco Companies....	398
Texas Northeastern Railroad Texas Northeastern Railroad The Texas Northeastern Railroad is a Class III railroad operating in the United States state of Texas that began operations in 1990. It consists of of track on two lines....	665
Texas Pacifico Transportation Texas Pacifico Transportation Texas Pacifico Transportation Ltd. is a railroad operating company in West Texas that is owned by Grupo México. The company operates over the South Orient Rail Line under a lease and operating agreement with the Texas Department of Transportation and the South Orient Rural Rail Transportation...	393
Utah Railway Utah Railway The Utah Railway is a class III railroad operating in Utah and Colorado, and owned by Genesee & Wyoming Inc.-History:The Utah Railway Company was incorporated on January 24, 1912, with the name of Utah Coal Railway, shortened to Utah Railway in May of the same year...	430
Wheeling and Lake Erie Railway	878
Wisconsin and Southern Railroad Wisconsin and Southern Railroad The Wisconsin and Southern Railroad is a Class II regional railroad in the southern portion of Wisconsin and the northeast corner of Illinois. It operates former Chicago, Milwaukee, St...	837