Rail transportation in the United States consists primarily of
freight shipments along a well integrated network of
standard gauge private freight railroads that also extend into
Canada
Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
and
Mexico
Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
. The United States has the
largest rail transport network of any country in the world, about .
Passenger service is a
mass transit option for Americans with
commuter rail in most major American cities, especially on the
East Coast. Intercity passenger service was once a large and vital part of the nation's passenger transportation network, but passenger service shrank in the 20th century as
commercial air traffic and the
Interstate Highway System
The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National Hi ...
made commercial air and road transport a practical option throughout the United States.
The nation's earliest railroads were built in the 1820s and 1830s,
primarily in New England and the
Mid-Atlantic states. The
Baltimore and Ohio Railroad, chartered in 1827, was the nation's first common-carrier railroad. By 1850, an extensive railroad network had taken shape in the rapidly industrializing
Northeastern United States
The Northeastern United States (also referred to as the Northeast, the East Coast, or the American Northeast) is List of regions of the United States, census regions United States Census Bureau. Located on the East Coast of the United States, ...
and the Midwest, while fewer railroads were built in the
South, which was more agricultural than other regions. During and after the
American Civil War
The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...
, the
first transcontinental railroad was built, to join
California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
with the rest of the national network, at a connection in
Iowa
Iowa ( ) is a U.S. state, state in the upper Midwestern United States, Midwestern region of the United States. It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Ill ...
.
Railroads expanded throughout the rest of the 19th century, eventually reaching nearly every corner of the nation. The railroads were temporarily
nationalized between 1917 and 1920 by the
United States Railroad Administration, because of American entry into
World War I
World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
. Railroad mileage peaked at this time. Railroads were affected deeply by the
Great Depression in the United States, and some lines were abandoned. A great increase in traffic during
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
brought a reprieve, but after the war railroads faced intense competition from
automobiles and
aircraft
An aircraft ( aircraft) is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or the Lift (force), dynamic lift of an airfoil, or, i ...
and began a long decline. Passenger service was especially hard hit; in 1971 the federal government created
Amtrak
The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...
, to take over responsibility for intercity passenger travel. Numerous railroad companies went bankrupt starting in the 1960s, most notably
Penn Central Transportation Company in 1971, in the largest bankruptcy in the nation's history at the time. Once again, the federal government intervened, forming
Conrail, in 1976, to assume control of bankrupt railroads in the northeast.
Railroads' fortunes changed after the passage of the
Staggers Rail Act (1980), which
deregulated railroad companies, who had previously faced much stronger regulation than other modes of transportation. With innovations such as
trailer-on-flatcar and
intermodal freight transport, railroad traffic increased. After the Staggers Act, many railroads merged, forming major systems, such as
CSX and
Norfolk Southern, in the Eastern United States, and
BNSF Railway, in the Western United States;
Union Pacific Railroad
The Union Pacific Railroad is a Railroad classes, Class I freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second largest railroad in the United Stat ...
also purchased some competitors. Another result of the Staggers Act was the rise of
shortline railroads, which formed to operate lines that major railroads had abandoned or sold off. Hundreds of these companies were formed by the end of the century. Freight railroads invested in modernization and greater capacity as they entered the 21st century, and intermodal transport continued to grow, while traditional traffic, such as coal, fell.
History
19th century

Between 1762 and 1764 a
gravity railroad (
mechanized tramway) (
Montresor's Tramway) was built by British Army engineers up the steep riverside terrain near the
Niagara River waterfall's
escarpment at the
Niagara Portage in
Lewiston, New York.
[Text online of placement commemorating historic railroad.]
accessdate=2017-03-01
Between the 1820s and 1840s, Americans closely watched
the development of railways in Great Britain. There, the main competition came from canals, many of which operated under state ownership and from privately owned steamboats plying the nation's vast river system. In 1829, Massachusetts prepared an elaborate rail plan. Government support, most especially the detailing of officers from the
U.S. Army Corps of Engineers – the nation's only source of civil engineering expertise – was crucial in assisting private enterprise in building nearly all the country's railroads. Army Engineer officers surveyed and selected routes, planned, designed, and constructed rights-of-way, track, and structures, and introduced the Army's system of reports and accountability to the railroad companies. More than one in ten of the then 1,058 graduates from the
U.S. Military Academy at West Point between 1802 and 1866 became corporate presidents, chief engineers, treasurers, superintendents and general managers of railroad companies.
Among the Army officers who thus assisted the building and managing of the first American railroads were
Stephen Harriman Long,
George Washington Whistler, and
Herman Haupt.
State governments granted charters that created the business corporation and gave a limited right of
eminent domain, allowing the railroad to buy needed land, even over the owner's objections.
The
Baltimore and Ohio Railroad (B&O) was chartered in 1827 to build a steam railroad west from
Baltimore
Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...
, Maryland, to a point on the
Ohio River
The Ohio River () is a river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing in a southwesterly direction from Pittsburgh, Pennsylvania, to its river mouth, mouth on the Mississippi Riv ...
and began scheduled freight service over its first section on May 24, 1830. The first railroad to carry passengers, and, by accident, the first tourist railroad, began operating in 1827. Named the
Lehigh Coal & Navigation Company, initially a gravity road feeding anthracite coal downhill to the
Lehigh Canal, using mule-power to return nine miles up the mountain; but, by the summer of 1829, as newspapers documented, it regularly carried passengers. In 1843, renamed the
Summit Hill & Mauch Chunk Railroad, it added a steam powered cable-return track for true two-way operation and ran as a
common carrier and tourist road from the 1890s to 1937. Lasting 111 years, the SH&MC is described by some to be the world's first
roller coaster.
The first purpose-built common carrier railroad in the northeast was the
Mohawk & Hudson Railroad; incorporated in 1826. It began operating in August 1831. Soon, a second passenger line, the
Saratoga & Schenectady Railroad, started service in June 1832.
In 1835, the B&O completed a branch from Baltimore southward to Washington, D.C.
The
Boston & Providence Railroad was incorporated in 1831 to build a railroad between
Boston
Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
and
Providence, Rhode Island
Providence () is the List of capitals in the United States, capital and List of municipalities in Rhode Island, most populous city of the U.S. state of Rhode Island. The county seat of Providence County, Rhode Island, Providence County, it is o ...
; the road was completed in 1835 with the completion of the
Canton Viaduct in
Canton, Massachusetts.
Numerous short lines were built, especially in the south, to provide connections to the river systems and the river boats common to the era. In
Louisiana
Louisiana ( ; ; ) is a state in the Deep South and South Central regions of the United States. It borders Texas to the west, Arkansas to the north, and Mississippi to the east. Of the 50 U.S. states, it ranks 31st in area and 25 ...
, the
Pontchartrain Rail-Road, a route connecting the
Mississippi River with
Lake Pontchartrain at New Orleans was completed in 1831 and provided over a century of operation. Completed in 1830, the
Tuscumbia, Courtland & Decatur Railroad became the first railroad constructed west of the
Appalachian Mountains
The Appalachian Mountains, often called the Appalachians, are a mountain range in eastern to northeastern North America. The term "Appalachian" refers to several different regions associated with the mountain range, and its surrounding terrain ...
; it connected the
Alabama
Alabama ( ) is a U.S. state, state in the Southeastern United States, Southeastern and Deep South, Deep Southern regions of the United States. It borders Tennessee to the north, Georgia (U.S. state), Georgia to the east, Florida and the Gu ...
cities of
Decatur and
Tuscumbia.
Soon, other roads that would themselves be purchased or merged into larger entities, were formed. The
Camden & Amboy Railroad (C&A), the first railroad built in
New Jersey
New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...
, completed its route between its namesake cities in 1834. The C&A ran successfully for decades connecting
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
to the
Delaware Valley, and would eventually become part of the
Pennsylvania Railroad.
By 1850, over of railroad lines had been built.
The B&O's westward route reached the Ohio River in 1852, the first eastern seaboard railroad to do so.
Railroad companies in the North and Midwest constructed networks that linked nearly every major city by 1860.
Large railroad companies, including the
New York Central,
Grand Trunk Railway
The Grand Trunk Railway (; ) was a Rail transport, railway system that operated in the Provinces and territories of Canada, Canadian provinces of Quebec and Ontario and in the List of states and territories of the United States, American sta ...
, and the
Southern Pacific, spanned several states. In response to
monopolistic practices, such as
price fixing and other excesses of some railroads and their owners,
Congress created the
Interstate Commerce Commission (ICC) in 1887. The ICC indirectly controlled the business activities of the railroads through issuance of extensive
regulations. Congress also enacted
antitrust legislation
In the United States, antitrust law is a collection of mostly federal laws that govern the conduct and organization of businesses in order to promote economic competition and prevent unjustified monopolies. The three main U.S. antitrust statute ...
to prevent railroad monopolies, beginning with the
Sherman Antitrust Act in 1890. Industrialists such as
Cornelius Vanderbilt
Cornelius Vanderbilt (May 27, 1794 – January 4, 1877), nicknamed "the Commodore", was an American business magnate who built his wealth in railroads and shipping. After working with his father's business, Vanderbilt worked his way into lead ...
and
Jay Gould
Jason Gould (; May 27, 1836 – December 2, 1892) was an American railroad magnate and financial speculator who founded the Gould family, Gould business dynasty. He is generally identified as one of the Robber baron (industrialist), robber bar ...
became wealthy through railroad ownerships.
Transcontinental railroad

The First Transcontinental Railroad in the U.S. was built in the 1860s, linking the railroad network of the eastern U.S. with California on the
Pacific coast. Completed on May 10, 1869, at the
Golden spike event at
Promontory Summit, Utah, it created a nationwide mechanized transportation network that revolutionized the population and economy of the
American West, catalyzing the transition from the
wagon trains of previous decades to a modern transportation system. It was the first transcontinental railroad by connecting myriad eastern U.S. railroads to the Pacific Ocean. However it was not the world's longest railroad, as
Canada
Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
's
Grand Trunk Railway
The Grand Trunk Railway (; ) was a Rail transport, railway system that operated in the Provinces and territories of Canada, Canadian provinces of Quebec and Ontario and in the List of states and territories of the United States, American sta ...
(GTR) had, by 1867, already accumulated more than of track by connecting
Portland, Maine
Portland is the List of municipalities in Maine, most populous city in the U.S. state of Maine and the county seat, seat of Cumberland County, Maine, Cumberland County. Portland's population was 68,408 at the 2020 census. The Portland metropolit ...
, and the three northern
New England
New England is a region consisting of six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the ...
states with the
Canadian Atlantic provinces, and west as far as
Port Huron, Michigan, through
Sarnia, Ontario
Sarnia is a city in Lambton County, Ontario, Canada. It had a Canada 2021 Census, 2021 population of 72,047, and is the largest city on Lake Huron. Sarnia is located on the eastern bank of the junction between the Upper and Lower Great Lakes, ...
.
Authorized by the
Pacific Railway Act of 1862 and heavily backed by the
federal government, the first transcontinental railroad was the culmination of a decades-long movement to build such a line and was one of the crowning achievements of the presidency of
Abraham Lincoln
Abraham Lincoln (February 12, 1809 – April 15, 1865) was the 16th president of the United States, serving from 1861 until Assassination of Abraham Lincoln, his assassination in 1865. He led the United States through the American Civil War ...
, completed five years after his death. The building of the railroad required enormous feats of engineering and
labor in the crossing of the
Great Plains
The Great Plains is a broad expanse of plain, flatland in North America. The region stretches east of the Rocky Mountains, much of it covered in prairie, steppe, and grassland. They are the western part of the Interior Plains, which include th ...
and the
Rocky Mountains by the westbound
Union Pacific Railroad
The Union Pacific Railroad is a Railroad classes, Class I freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second largest railroad in the United Stat ...
(UP) and eastbound
Central Pacific Railroad, the two federally chartered enterprises that built the line. The building of the railroad was motivated in part to bind the
Union together following the strife of the
American Civil War
The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...
. It substantially accelerated the populating of the West by
homesteaders, leading to rapid
cultivation of new farm lands. The Central Pacific and the
Southern Pacific Railroad combined operations in 1870 and formally merged in 1885; the Union Pacific originally bought the Southern Pacific in 1901 and was forced to divest it in 1913, but took it over again in 1996.
Much of the original
roadbed is still in use today and owned by UP, which is descended from both of the original railroads.
Rail gauge selection
Impact of railroads on the economy
Many Canadian and U.S. railroads originally used various broad gauges, but most were converted to by 1886, when the conversion of much of the southern rail network from gauge took place. This and the standardization of couplings and air brakes enabled the pooling and interchange of
locomotive
A locomotive is a rail transport, rail vehicle that provides the motive power for a train. Traditionally, locomotives pulled trains from the front. However, Push–pull train, push–pull operation has become common, and in the pursuit for ...
s and rolling stock.
The railroad had its largest impact on the American transportation system during the second half of the 19th century. The standard historical interpretation holds that the railroads were central to the development of a national market in the United States and served as a model of how to organize, finance and manage a large corporation, along with allowing growth of the American population outside of the eastern regions.
20th century

The principal mainline railroads concentrated their efforts on moving freight and passengers over long distances. But many had suburban services near large cities, which might also be served by
Streetcar
A tram (also known as a streetcar or trolley in Canada and the United States) is an urban rail transit in which vehicles, whether individual railcars or multiple-unit trains, run on tramway tracks on urban public streets; some include s ...
and
Interurban
The interurban (or radial railway in Canada) is a type of electric railway, with tram-like electric self-propelled railcars which run within and between cities or towns. The term "interurban" is usually used in North America, with other terms u ...
lines. The Interurban was a concept which relied almost exclusively on passenger traffic for revenue. Unable to survive the
Great Depression
The Great Depression was a severe global economic downturn from 1929 to 1939. The period was characterized by high rates of unemployment and poverty, drastic reductions in industrial production and international trade, and widespread bank and ...
, the failure of most Interurbans by that time left many cities without suburban passenger railroads, although the largest cities such as New York City,
Chicago
Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
,
Boston
Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
and
Philadelphia
Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
continued to have suburban service. The major railroads passenger flagship services included multi-day journeys on luxury trains resembling hotels, which were unable to compete with airlines in the 1950s. Rural communities were served by slow trains no more than twice a day. They survived until the 1960s because the same train hauled the
Railway Post Office cars, paid for by the
US Post Office. RPOs were withdrawn when mail sorting was mechanized.
As early as the 1930s, automobile travel had begun to cut into the rail passenger market, somewhat reducing
economies of scale
In microeconomics, economies of scale are the cost advantages that enterprises obtain due to their scale of operation, and are typically measured by the amount of Productivity, output produced per unit of cost (production cost). A decrease in ...
, but it was the development of the
Interstate Highway System
The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National Hi ...
and of
commercial aviation in the 1950s and 1960s, as well as increasingly restrictive regulation, that dealt the most damaging blows to rail transportation, both passenger and freight.
General Motors
General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. The company is most known for owning and manufacturing f ...
and others were convicted of running the streetcar industry into the ground purposefully in what is referred to as the
Great American Streetcar Scandal. There was little point in operating passenger trains to advertise freight service when those who made decisions about freight shipping traveled by car and by air, and when the railroads' chief competitors for that market were interstate trucking companies.
Soon, the only things keeping most passenger trains running were legal obligations. Meanwhile, companies who were interested in using railroads for profitable freight traffic were looking for ways to get out of those legal obligations, and it looked like intercity passenger rail service would soon become extinct in the United States beyond a few highly populated corridors. The final blow for passenger trains in the U.S. came with the loss of
railroad post offices in the 1960s. On May 1, 1971, with only a few exceptions, the federally-funded
Amtrak
The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...
took over all intercity passenger rail service in the continental United States. The
Rio Grande
The Rio Grande ( or ) in the United States or the Río Bravo (del Norte) in Mexico (), also known as Tó Ba'áadi in Navajo language, Navajo, is one of the principal rivers (along with the Colorado River) in the Southwestern United States a ...
, with its
Denver
Denver ( ) is a List of municipalities in Colorado#Consolidated city and county, consolidated city and county, the List of capitals in the United States, capital and List of municipalities in Colorado, most populous city of the U.S. state of ...
-
Ogden ''
Rio Grande Zephyr'' and the Southern with its Washington, D.C.–
New Orleans
New Orleans (commonly known as NOLA or The Big Easy among other nicknames) is a Consolidated city-county, consolidated city-parish located along the Mississippi River in the U.S. state of Louisiana. With a population of 383,997 at the 2020 ...
''Southern Crescent'' chose to stay out of Amtrak, and the
Rock Island, with two intrastate
Illinois
Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...
trains, was too far gone to be included into Amtrak.
Freight transportation continued to labor under regulations developed when rail transport had a monopoly on intercity traffic, and railroads only competed with one another. An entire generation of rail managers had been trained to operate under this regulatory regime.
Labor unions
A trade union (British English) or labor union (American English), often simply referred to as a union, is an organization of workers whose purpose is to maintain or improve the conditions of their employment, such as attaining better wages ...
and their work rules were likewise a formidable barrier to change. Overregulation, management and unions formed an "iron triangle" of stagnation, frustrating the efforts of leaders such as the
New York Central's
Alfred E. Perlman. In particular, the dense rail network in the Northeastern U.S. was in need of radical pruning and consolidation. A spectacularly unsuccessful beginning was the 1968 formation and subsequent bankruptcy of the
Penn Central, barely two years later.
On routes where a single railroad has had an undisputed monopoly, passenger service was as spartan and as expensive as the market and ICC regulation would bear, since such railroads had no need to advertise their freight services. However, on routes where two or three railroads were in direct competition with each other for freight business, such railroads would spare no expense to make their passenger trains as fast, luxurious, and affordable as possible, as it was considered to be the most effective way of advertising their profitable freight services.
The
National Association of Railroad Passengers (NARP) was formed in 1967 to lobby for the continuation of passenger trains. Its lobbying efforts were hampered somewhat by
Democratic opposition to any sort of
rail subsidies to the privately owned railroads, and
Republican opposition to
nationalization of the railroad industry. The proponents were aided by the fact that few in the federal government wanted to be held responsible for the seemingly inevitable extinction of the passenger train, which most regarded as tantamount to political suicide. The urgent need to solve the passenger train disaster was heightened by the bankruptcy filing of the
Penn Central, the dominant railroad in the
Northeastern United States
The Northeastern United States (also referred to as the Northeast, the East Coast, or the American Northeast) is List of regions of the United States, census regions United States Census Bureau. Located on the East Coast of the United States, ...
, on June 21, 1970.
Under the
Rail Passenger Service Act of 1970, Congress created the
National Railroad Passenger Corporation (NRPC) to subsidize and oversee the operation of intercity passenger trains. The Act provided that:
* Any railroad operating intercity passenger service could contract with the NRPC, thereby joining the national system.
* Participating railroads bought into the new corporation using a formula based on their recent intercity passenger losses. The purchase price could be satisfied either by cash or rolling stock; in exchange, the railroads received Amtrak common stock.
* Any participating railroad was freed of the obligation to operate intercity passenger service after May 1971, except for those services chosen by the
U.S. Department of Transportation as part of a "basic system" of service and paid for by NRPC using its federal funds.
* Railroads who chose not to join the Amtrak system were required to continue operating their existing passenger service until 1975 and thenceforth had to pursue the customary ICC approval process for any discontinuance or alteration to the service.
The original working brand name for NRPC was ''Railpax'', which eventually became
Amtrak
The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...
. At the time, many Washington insiders viewed the corporation as a face-saving way to give passenger trains the one "last hurrah" demanded by the public, but expected that the NRPC would quietly disappear in a few years as public interest waned. However, while Amtrak's political and financial support have often been shaky, popular and political support for Amtrak has allowed it to survive into the 21st century.
To preserve a declining freight rail industry, Congress passed the Regional Rail Reorganization Act of 1973, sometimes called the "3R Act". The act was an attempt to salvage viable freight operations from the bankrupt
Penn Central and other lines in the northeast,
mid-Atlantic and Midwestern regions. The law created the
Consolidated Rail Corporation (Conrail), a government-owned corporation, which began operations in 1976. Another law, the
Railroad Revitalization and Regulatory Reform Act of 1976 (the "4R Act"), provided more specifics for the Conrail acquisitions and set the stage for more comprehensive deregulation of the railroad industry. Portions of the
Penn Central,
Erie Lackawanna,
Reading Railroad,
Ann Arbor Railroad,
Central Railroad of New Jersey,
Lehigh Valley, and
Lehigh and Hudson River were merged into Conrail. On December 31, 1996, the
Atchison, Topeka and Santa Fe Railway merged with the
Burlington Northern Railroad, creating the Burlington Northern Santa Fe Railway.
The freight industry continued its decline until Congress passed the
Staggers Rail Act in 1980, which largely deregulated the rail industry. Since then, U.S. freight railroads have reorganized, discontinued their lightly used routes and returned to profitability.
Freight railroads
Freight railroads play an important role in the U.S. economy, especially for moving imports and exports using containers, and for shipments of coal and oil. Productivity rose 172% between 1981 and 2000, while rates decreased by 55%, after accounting for
inflation
In economics, inflation is an increase in the average price of goods and services in terms of money. This increase is measured using a price index, typically a consumer price index (CPI). When the general price level rises, each unit of curre ...
. Rail's share of the American freight market rose to 43%.
U.S. railroads still play a major role in the nation's
freight shipping. They carried 750 billion ton-miles by 1975 which doubled to 1.5 trillion ton-miles in 2005.
[U.S. Bureau of Transportation Statistics. Washington, D.C. (2000]
"Ton-Miles of Freight by Mode: 1975–2025."
''The Changing Face of Transportation.'' Report No. BTS00-007. In the 1950s, the U.S. and
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
moved roughly the same percentage of freight by rail; by 2000, the share of U.S. rail freight was 38% while in Europe only 8% of freight traveled by rail; a large proportion of this difference is due to external factors such as geography and higher use of goods like coal.
In ton-miles, railroads annually move more than 25% of the United States' freight and connect businesses with each other across the country and with markets overseas.
In 2018, US rail freight had a
transport energy efficiency of 473 ton-miles per gallon of fuel. In recent years, railroads have gradually been losing intermodal traffic to trucking.
Railroad classes

U.S. freight railroads are separated into three classes, set by the
Surface Transportation Board, based on annual revenues:
*
Class I for freight railroads with annual operating revenues above $346.8 million in 2006 dollars. In 1900, there were 132 Class I railroads. In 2024, as the result of mergers, bankruptcies, and major changes in the regulatory definition of "Class I", there are only six railroads operating in the United States that meet the criteria for Class I. , U.S. freight railroads operated 139,679 route-miles (224,792 km) of
standard gauge in the U.S. Although
Amtrak
The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...
qualifies for Class I status under the revenue criterion, it is not considered a Class I railroad because it is not a freight railroad.
*
Class II for freight railroads with revenues between $27.8 million and $346.7 million in 2000 dollars
*
Class III for all other freight revenues.
In 2013, the U.S. moved more oil out of North Dakota by rail than by the
Trans-Alaska pipeline.
This trend—tenfold in two years and 40-fold in five years—is forecast to increase.
Classes of freight railroads
There are four different classes of freight railroads:
Class I, regional, local line haul, and switching & terminal. Class I railroads are defined as those with revenue of at least $346.8 million in 2006. They comprise just 1% of the number of
freight railroads, but account for 67% of the industry's mileage, 90% of its employees, and 93% of its freight revenue.
A
regional railroad is a line haul railroad with at least and/or revenue between $40 million and the Class I threshold. There were 33 regional railroads in 2006. Most have between 75 and 500 employees.
Local line haul railroads operate less than and earn less than $40 million per year (most earn less than $5 million per year). In 2006, there were 323 local line haul railroads. They generally perform point-to-point service over short distances.
Switching and terminal (S&T) carriers are railroads that primarily provide switching and/or terminal services, regardless of revenue. They perform pick up and delivery services within a certain area.
Traffic and public benefits

U.S. freight railroads operate in a highly competitive marketplace. According to a 2010
FRA report, within the U.S., railroads carried 39.5% of freight by ton-mile, followed by trucks (28.6%), oil pipelines (19.6%), barges (12%) and air (0.3%).
However, railroads' revenue share has been slowly falling for decades, a reflection of the intensity of the competition they face and of the large rate reductions railroads have passed through to their customers over the years.
In 2011, North American railroads operated 1,471,736 freight cars and 31,875 locomotives, with 215,985 employees. They originated 39.53 million carloads (averaging 63 tons each) and generated $81.7 billion in freight revenue of present 2014. The average haul was 917 miles. The largest (Class 1) U.S. railroads carried 10.17 million intermodal containers and 1.72 million piggyback trailers. Intermodal traffic was 6.2% of tonnage originated and 12.6% of revenue. The largest commodities were coal, chemicals, farm products, nonmetallic minerals and intermodal. Other major commodities carried include lumber, automobiles, and waste materials. Coal alone was 43.3% of tonnage and 24.7% of revenue. Coal accounted for roughly half of U.S. electricity generation and was a major export. As
natural gas became cheaper than coal, coal supplies dropped 11% in 2015 but coal rail freight dropped by up to 40%, allowing an increase in car transport by rail, some in tri-level railcars. US coal consumption dwindled from over 1,100 million tons in 2008 to 687 million tons in 2018.
Freight rail working with passenger rail
Prior to
Amtrak
The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...
's creation in 1970, intercity
passenger rail service in the U.S. was provided by the same companies that provided freight service. When Amtrak was formed, in return for government permission to exit the passenger rail business, freight railroads donated passenger equipment to Amtrak and helped it get started with a capital infusion of some $200 million.
The vast majority of the or so over which Amtrak operates are actually owned by freight railroads. By law, freight railroads must grant Amtrak access to their track upon request. In return, Amtrak pays fees to freight railroads to cover the
incremental costs of Amtrak's use of freight railroad tracks.
Passenger railroads

The sole long-distance intercity
passenger railroad in the continental U.S. is
Amtrak
The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...
, and multiple current commuter rail systems provide regional intercity services such as New York-New Haven, and Stockton-San Jose. In Alaska, intercity service is provided by
Alaska Railroad instead of Amtrak.
Commuter rail systems exist in more than a dozen metropolitan areas, but these systems are not extensively interconnected, so commuter rail cannot be used alone to traverse the country.
Commuter systems have been proposed in approximately two dozen other cities, but interplays between various local-government administrative bottlenecks and ripple effects from the
Great Recession have generally pushed such projects farther and farther into the future, or have even sometimes mothballed them entirely.
The most culturally notable and physically evident exception to the general lack of significant passenger rail transport in the U.S. is the
Northeast Corridor between
Washington,
Baltimore
Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...
,
Philadelphia
Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
,
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
, and
Boston
Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
, with significant branches in
Connecticut
Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...
and
Massachusetts
Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...
. The corridor handles frequent passenger service that is both Amtrak and commuter. New York City itself is noteworthy for high usage of passenger rail transport, both
subway and commuter rail (
Long Island Rail Road,
Metro-North Railroad
The Metro-North Commuter Railroad Company , also branded as MTA Metro-North Railroad and commonly called simply Metro-North, is a suburban commuter rail service operated by the Metropolitan Transportation Authority (MTA), a New York State publ ...
,
New Jersey Transit). The subway system is used by one third of all U.S.
mass transit users.
Chicago
Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
also sees high rail ridership, with a local
elevated system, one of the world's last
interurban lines, and fourth most-ridden commuter rail system in the United States:
Metra. Other major cities with substantial rail infrastructure include
Philadelphia
Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...
's
SEPTA,
Boston
Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
's
MBTA, and Washington, D.C.'s network of commuter rail and rapid transit.
Denver
Denver ( ) is a List of municipalities in Colorado#Consolidated city and county, consolidated city and county, the List of capitals in the United States, capital and List of municipalities in Colorado, most populous city of the U.S. state of ...
, Colorado constructed a
new electrified commuter rail system in the 2000s to complement the city's light rail system. The commuter rail systems of
San Diego
San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...
and Los Angeles,
Coaster and
Metrolink, connect in
Oceanside, California
Oceanside is a beach city in the North County (San Diego area), North County area of San Diego County, California, United States. The city had a population of 174,068 at the 2020 United States census, making it the most populous city in the Nort ...
. The
San Francisco Bay Area
The San Francisco Bay Area, commonly known as the Bay Area, is a List of regions of California, region of California surrounding and including San Francisco Bay, and anchored by the cities of Oakland, San Francisco, and San Jose, California, S ...
additionally hosts several local passenger rail operators, the largest of which are
Caltrain, the
Altamont Corridor Express,
Sonoma–Marin Area Rail Transit, and
Bay Area Rapid Transit.
Privately run inter-city passenger rail operations have also been restarted since 2018 in
South Florida, with additional routes under development.
Brightline is a
higher-speed rail train, run by All Aboard Florida. It began service in January 2018 between
Fort Lauderdale and
West Palm Beach; its service was extended to Miami in May 2018, and an extension to
Orlando International Airport opened for daily service on September 22, 2023, which includes a segment of brand new rail line from Orlando eastward toward the Atlantic coast. Brightline has also proposed a further extension of its service from Orlando to
Tampa
Tampa ( ) is a city on the Gulf Coast of the United States, Gulf Coast of the U.S. state of Florida. Tampa's borders include the north shore of Tampa Bay and the east shore of Old Tampa Bay. Tampa is the largest city in the Tampa Bay area and t ...
via
Walt Disney World
The Walt Disney World Resort is an destination resort, entertainment resort complex located about southwest of Orlando, Florida, United States. Opened on October 1, 1971, the resort is operated by Disney Experiences, a division of the Wa ...
, and a
high-speed rail service from
Los Angeles
Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
to
Las Vegas. In addition, the
Texas Central Railway is currently developing plans for a proposed greenfield
high-speed rail line using Japanese
Shinkansen trains between
Dallas
Dallas () is a city in the U.S. state of Texas and the most populous city in the Dallas–Fort Worth metroplex, the List of Texas metropolitan areas, most populous metropolitan area in Texas and the Metropolitan statistical area, fourth-most ...
and
Houston
Houston ( ) is the List of cities in Texas by population, most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the county seat, seat of ...
. Construction was expected to begin in 2020 for a 2026 opening,
but a major lawsuit delayed the project and as of February 2023 there are no signs of construction activity.
A proposal is in the works for a over 200mph
high-speed rail system from
Dallas/Fort Worth to
Atlanta, Georgia
Atlanta ( ) is the List of capitals in the United States, capital and List of municipalities in Georgia (U.S. state), most populous city in the U.S. state of Georgia (U.S. state), Georgia. It is the county seat, seat of Fulton County, Georg ...
along the
I-20 corridor, currently named the I-20X, that will pass directly through places like
Kilgore, Texas a historic railway city, bringing
passenger rail service to that corridor for the first time since the Texas and Pacific's unnamed successor to the
Louisiana Eagle in the late 1960s. This initiative promises to support regional development, reduce
car dependency, and create jobs in areas like
Kilgore, Tyler and East Texas. Early phases of planning are in motion, with design on the Atlanta-Birmingham segment expected to start by 2025.
Car types
The basic design of a
passenger car was standardized by 1870. By 1900, the main car types were: baggage, coach, combine, diner,
dome car
A dome car is a type of railway Passenger car (rail), passenger car that has a glass dome on the top of the car where passengers can ride and see in all directions around the train. It also can include features of a Coach (rail), coach, lounge c ...
, lounge, observation, private, Pullman, railroad post office (RPO) and sleeper.
19th century: First passenger cars and early development

The first passenger cars resembled
stagecoaches. They were short, often less than long, tall and rode on a single pair of axles.
American mail cars first appeared in the 1860s and at first followed English design. They had a hook that would catch the mailbag in its crook.
As locomotive technology progressed in the mid-19th century, trains grew in length and weight. Passenger cars grew along with them, first getting longer with the addition of a second truck (one at each end), and wider as their suspensions improved. Cars built for European use featured side door compartments, while American car design favored a single pair of doors at one end of the car in the car's vestibule; compartmentized cars on American railroads featured a long hallway with doors from the hall to the compartments.
One possible reason for this difference in design principles between American and European carbuilding practice could be the average distance between stations on the two continents. While most European railroads connected towns and villages that were still very closely spaced, American railroads had to travel over much greater distances to reach their destinations. Building passenger cars with a long passageway through the length of the car allowed the passengers easy access to the restroom, among other things, on longer journeys.
Dining cars first appeared in the late 1870s and into the 1880s. Until this time, the common practice was to stop for meals at restaurants along the way (which led to the rise of
Fred Harvey's chain of
Harvey House restaurants in America). At first, the dining car was simply a place to serve meals that were picked up en route, but they soon evolved to include galleys in which the meals were prepared.
1900–1950: Lighter materials, new car types
By the 1920s, passenger cars on the larger
standard gauge railroads were normally between long. The cars of this time were still quite ornate, many of them being built by experienced coach makers and skilled carpenters.
With the 1930s came the widespread use of
stainless steel
Stainless steel, also known as inox, corrosion-resistant steel (CRES), or rustless steel, is an iron-based alloy that contains chromium, making it resistant to rust and corrosion. Stainless steel's resistance to corrosion comes from its chromi ...
for car bodies. The typical passenger car was now much lighter than its "heavyweight" wood cousins of old. The new "lightweight" and
streamlined cars carried passengers in speed and comfort to an extent that had not been experienced to date. Aluminum and
Cor-ten were also used in lightweight car construction, but stainless steel was the preferred material for car bodies. It is not the lightest of materials, nor is it the least expensive, but stainless steel cars could be, and often were, left unpainted except for the car's
reporting marks that were required by law.
By the end of the 1930s, railroads and car builders were debuting car body and interior styles that could only be dreamed of before. In 1937, the Pullman Company delivered the first cars equipped with
roomettes—that is, the car's interior was sectioned off into compartments, much like the coaches that were still in widespread use across Europe. Pullman's roomettes, however, were designed with the single traveler in mind. The roomette featured a large picture window, a privacy door, a single fold-away bed, a sink and small toilet. The roomette's floor space was barely larger than the space taken up by the bed, but it allowed the traveler to ride in luxury compared to the multilevel semiprivate berths of old.
Now that passenger cars were lighter, they were able to carry heavier loads, but the size of the average passenger load that rode in them didn't increase to match the cars' new capacities. The average passenger car couldn't get any wider or longer due to side clearances along the railroad lines, but they generally could get taller because they were still shorter than many freight cars and locomotives. As a result, the railroads soon began building and buying
dome and
bilevel cars to carry more passengers.
1950–present: High-technology advancements

Carbody styles have generally remained consistent since the middle of the 20th century. While new car types have not made much of an impact, the existing car types have been further enhanced with new technology.
Starting in the 1950s, the passenger travel market declined in North America, though there was growth in
commuter rail. The higher clearances in North America enabled bi-level commuter coaches that could hold more passengers. These cars started to become common in the United States in the 1960s.
While intercity passenger rail travel declined in the United States during the 1950s, ridership continued to increase in
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
during that time. With the increase came newer technology on existing and new equipment. The Spanish company
Talgo began experimenting in the 1940s with technology that would enable the axles to steer into a curve, allowing the train to move around the curve at a higher speed. The steering axles evolved into mechanisms that would also tilt the passenger car as it entered a curve to counter the
centrifugal force experienced by the train, further increasing speeds on existing track. Today, tilting passenger trains are commonplace. Talgo's trains are used on some short and medium distance routes such as
Amtrak Cascades from
Eugene, Oregon
Eugene ( ) is a city in and the county seat of Lane County, Oregon, United States. It is located at the southern end of the Willamette Valley, near the confluence of the McKenzie River (Oregon), McKenzie and Willamette River, Willamette rivers, ...
, to
Vancouver, British Columbia.
In August 2016, the Department of Transportation approved the largest loan in the department's history, $2.45 billion to upgrade the passenger train service in the Northeast region. The $2.45 billion will be used to purchase 28 new train sets for the high-speed Acela train between Washington through Philadelphia, New York and into Boston. The money will also be used build new stations and platforms. The money will also be used to rehabilitate railroad tracks and upgrade four stations, including Washington's Union Station and Baltimore's Penn Station.
As of 2014, U.S. railroad mileage has stabilized at approximately .
High-speed rail

As of 2022, the only operating high speed rail service in the United States is Amtrak's ''
Acela'', between Washington, DC, and
Boston
Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...
. It currently has a maximum speed of , and only in some sections between Boston and Providence, RI, soon to be after introduction of new
Avelia Liberty trains, eventually to be upgraded to over some sections. The state of California is constructing its own HSR system,
California High-Speed Rail
California High-Speed Rail (CAHSR) is a publicly funded high-speed rail system being developed in California by the California High-Speed Rail Authority. Phase 1, about long, is planned to run from San Francisco, California, San Francisco to ...
, constructed to standards in some places. The first section in the
Central Valley is due to open around 2027.
Higher-speed rail
While the Northeast Corridor hosts the majority of
rail services that reach higher speeds of , there is also the Brightline in Florida, which reaches speeds of on the section between
Cocoa, Florida and Orlando. On the Northeast Corridor, there are sections that even reach up to speeds of , usually for the Acela trains. Other Amtrak diesel routes have higher-speed service that ranges from speeds between to . For routes in the
Western United States such as the ''
Pacific Surfliner'' and ''
Southwest Chief'', those services can reach up to speeds of on portions of their routes, while the ''
Texas Eagle'' can reach up to speeds of on portions of its route. There has been plans to upgrade the portions of the route for the Pacific Surfliner to speeds up to in
Orange County and
San Diego County, however funding has yet to be available. Meanwhile, for routes in the
Midwestern United States and the
Northeastern United States
The Northeastern United States (also referred to as the Northeast, the East Coast, or the American Northeast) is List of regions of the United States, census regions United States Census Bureau. Located on the East Coast of the United States, ...
such as the ''
Lincoln Service'', ''
Blue Water'', ''
Wolverine
The wolverine ( , ; ''Gulo gulo''), also called the carcajou or quickhatch (from East Cree, ''kwiihkwahaacheew''), is the largest land-dwelling species, member of the family Mustelidae. It is a muscular carnivore and a solitary animal. The w ...
'',
Amtrak ''Hartford Line'', ''
Lake Shore Limited'', and ''
Empire Service'' can reach up to speeds of on their entire routes or portions of their routes.
There are certain commuter rail lines in the United States that achieve similar speed ranges of higher-speed rail, but are not classified as higher-speed rail. Despite commuter trains also running along the Northeast Corridor alongside Amtrak services on the route, only one commuter rail line can have similar speed ranges to higher-speed rail, which is the
MARC Penn Line that runs from
Washington, D.C. to
Baltimore, MD, which can reach up to speeds of . Similarly, on the
Surf Line, the
Metrolink Orange County and
Inland Empire–Orange County lines can reach up to speeds of on portions of the Surf Line between
Santa Ana, California
Santa Ana (Spanish language, Spanish for ) is a city in and the county seat of Orange County, California, United States. Located in the Greater Los Angeles region of Southern California, the city's population was 310,227 at the 2020 census. As ...
and
Oceanside, California
Oceanside is a beach city in the North County (San Diego area), North County area of San Diego County, California, United States. The city had a population of 174,068 at the 2020 United States census, making it the most populous city in the Nort ...
. The
Coaster commuter rail also reaches on its entire route between
San Diego
San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...
and Oceanside.
Once
Caltrain is fully electrified between
San Francisco
San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
(
Salesforce Transit Center in the future) and
San Jose, California
San Jose, officially the City of San José ( ; ), is a cultural, commercial, and political center within Silicon Valley and the San Francisco Bay Area. With a city population of 997,368 and a metropolitan area population of 1.95 million, it is ...
, the Caltrain services will reach up to speeds of . Similarly, once the California High-Speed Rail begins operation between
Los Angeles
Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
and
Anaheim, California
Anaheim ( ) is a city in northern Orange County, California, United States, part of the Greater Los Angeles area. As of the 2020 United States census, 2020 census, the city had a population of 346,824, making it the most populous city in Orang ...
, rail services such as the Pacific Surfliner, Southwest Chief, and Metrolink
91/Perris Valley and Orange County lines would also be able to reach a similar speed range, however this plan has yet to be finalized.
A proposal is in the works for a over 200mph
high-speed rail system from
Dallas/Fort Worth to
Atlanta, Georgia
Atlanta ( ) is the List of capitals in the United States, capital and List of municipalities in Georgia (U.S. state), most populous city in the U.S. state of Georgia (U.S. state), Georgia. It is the county seat, seat of Fulton County, Georg ...
along the
I-20 corridor, currently named the I-20X, that will pass directly through places like
Kilgore, Texas a historic railway city, bringing
passenger rail service to that corridor for the first time since the Texas and Pacific's unnamed successor to the
Louisiana Eagle in the late 1960s. This initiative promises to support regional development, reduce
car dependency, and create jobs in areas like
Kilgore, Tyler and East Texas. Early phases of planning are in motion, with design on the Atlanta-Birmingham segment expected to start by 2025.
Rolling stock reporting marks
Every piece of railroad
rolling stock operating in North American interchange service is required to carry a standardized set of
reporting marks. The marks are made up of a two- to four-letter code identifying the owner of the equipment accompanied by an identification number and statistics on the equipment's capacity and tare (unloaded) weight. Marks whose codes end in X (such as TTGX) are used on equipment owned by entities that are not
common carrier railroads themselves. Marks whose codes end in U are used on
containers that are carried in
intermodal transport, and marks whose codes end in Z are used on
trailers that are carried in intermodal transport, per
ISO standard 6346). Most freight cars carry
automatic equipment identification RFID transponders.
Typically, railroads operating in the United States reserve one- to four-digit identification numbers for powered equipment such as
diesel locomotive
A diesel locomotive is a type of railway locomotive in which the prime mover (locomotive), power source is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is con ...
s and six-digit identification numbers for unpowered equipment. There is no hard and fast rule for how equipment is numbered; each railroad maintains its own numbering policy for its equipment.
List of major United States railroads
*
Amtrak
The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...
*
BNSF Railway
*
Canadian National Railway
*
CPKC Railway
*
CSX Transportation
*
Norfolk Southern Railway
*
Union Pacific Railroad
The Union Pacific Railroad is a Railroad classes, Class I freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second largest railroad in the United Stat ...
Rail links with adjacent countries
*
Canada
Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
– yes – Same gauge (Isolated
3 ft (914 mm) gauge heritage line from Alaska)
*
Mexico
Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
– yes – Same gauge
Regulation
Federal regulation of railroads is mainly through the
United States Department of Transportation, especially the
Federal Railroad Administration
The Federal Railroad Administration (FRA) is an agency in the United States Department of Transportation (DOT). The agency was created by the Department of Transportation Act of 1966. The purpose of the FRA is to promulgate and enforce railroa ...
which regulates safety, and the
Surface Transportation Board which regulates rates, service, the construction, acquisition and abandonment of rail lines, carrier mergers and interchange of traffic among carriers.
Railroads are also regulated by the individual states, for example through the
Massachusetts Department of Public Utilities.
Accidents
Minor derailments are a routine occurrence in the United States. 1,164 derailments were reported in 2022, an average of three a day; the vast majority did not cause injuries or deaths. This was down 44 percent from 2000, and more than 75 percent from the end of the 1970s. For a variety of reasons, North American freight railroads' safety performance has been described as "very bad by European standards".
See also
*
Timeline of United States railway history
*
Railroad electrification in the United States
*
List of rail transit systems in the United States
*
Oldest railroads in North America
*
History of rail transport in the United States
*
Transportation in the United States
*
Federal Employers Liability Act (protects and compensates railroad employees)
*
Nationalized Industries in the United States
*
Railroad car – general overview of all car types in use
Notes
References
Citations
Sources
* U.S.
Central Intelligence Agency
The Central Intelligence Agency (CIA; ) is a civilian foreign intelligence service of the federal government of the United States tasked with advancing national security through collecting and analyzing intelligence from around the world and ...
(May 17, 2005),
The World Fact Book: United States'. Retrieved May 26, 2005.
Further reading

*
Fite, Gilbert C., and Jim E. Reese. ''An Economic History of the United States''. Boston, MA: Houghton Mifflin Company (1959).
*
Hubbard, Freeman H., ''Encyclopedia of North American railroading: 150 years of railroading in the United States and Canada.'' (1981)
* Gallamore, Robert E. and John R. Meyer
''American Railroads: Decline and Renaissance in the Twentieth Century'' (Harvard University Press, 2014).
* Harris, Seymour E. ''American Economic History''. New York, NY: McGraw-Hill Book Company, Inc (1961).
* Hughes, Jonathan. ''American Economic History''. Glenview, IL: Scott, Foresman and Company (1983).
* Jenks, Leland H. "Railroads as an Economic Force in American Development," ''The Journal of Economic History'', Vol. 4, No. 1 (May 1944), 1–20
in JSTOR* Kemmerer, Donald L., and C. Clyde Jones. ''American Economic History''. New York, NY: McGraw-Hill Book Company, Inc. (1969).
* Krooss, Herman E. ''American Economic Development''. Edgewood Cliffs, NJ: Prentice Hall, Inc. (1955).
* Martin, Albro.''Railroads Triumphant: The Growth, Rejection, and Rebirth of a Vital American Force'' (1992)
* Meyer, Balthasar H
''History of Transportation in the United States before 1860''(1917)
* Nock, O.S., ed. ''Encyclopedia of Railways'' (London, 1977), worldwide coverage, heavily illustrated
* Porter, Glenn, ed. ''Encyclopedia of American Economic History''. Vol. I. New York, NY: Charles Scribner's Sons (1980).
* Riley, C. J. ''The Encyclopedia of Trains & Locomotives'' (2002)
* Stover, John F., ''The Routledge Historical Atlas of the American Railroads'' (2001)
*
* Taylor, George Rogers, and Irene D. Neu. ''The American Railroad Network, 1861 – 1890''. New York, NY: Arno Press (1981).
*
* Weatherford, Brian A. et al. technical_reports/TR603/ ''The State of U.S. Railroads A Review of Capacity and Performance Data''
PDFfrom
RAND, 2008,
* Wright, Chester Whitney. ''Economic History of the United States''. Edited by William Homer Spencer. New York, NY: McGraw-Hill Book Company, Inc. (1949).
Video
* ''Railroads in U.S. History (1830–2010)'' (2010), set of 4 DVDs, directed by Ron Meyer; #1, "Railroads come to America (1830–1840);" #2, "The First Great Railroad Boom (1841– 1860)"; #3, "A New Era in American Railroading (1861–1870)," #4, "The Second Great Railroad Boom (1871–2010)
link
External links
by Richard Jensen, Montana State University
– Archives Center, National Museum of American History
– Aaron W. Marrs
Future rail transport map released by the FRAUSA by Rail guide book
{{Authority control