Indian gauge
Encyclopedia


Indian gauge is a track gauge (broad gauge
Broad gauge
Broad-gauge railways use a track gauge greater than the standard gauge of .- List :For list see: List of broad gauges, by gauge and country- History :...

) commonly used in India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

, Bangladesh
Bangladesh
Bangladesh , officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma to the far southeast and by the Bay of Bengal to the south...

, Sri Lanka
Sri Lanka
Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka is a country off the southern coast of the Indian subcontinent. Known until 1972 as Ceylon , Sri Lanka is an island surrounded by the Indian Ocean, the Gulf of Mannar and the Palk Strait, and lies in the vicinity of India and the...

, Argentina
Rail transport in Argentina
The Argentine railway network comprised of track at the end of the Second World War and was, in its time, one of the most extensive and prosperous in South America. However, with the increase in highway construction, there followed a sharp decline in railway profitability, leading to the break-up...

 and Chile. It is also the gauge that is used on BART (Bay Area Rapid Transit), in northern California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

.

Scotland

This gauge was first used in Scotland for two short, isolated lines, the Dundee and Arbroath Railway
Dundee and Arbroath Railway
The Dundee and Arbroath Railway was a railway link between those two towns in Scotland.-History:The railway company received its Parliamentary Act on 19 May 1836. It was planned as a gauge railway, because, at that time, it was expected to be a purely local railway with no connection to the...

 and the Arbroath and Forfar Railway
Arbroath and Forfar Railway
The Arbroath and Forfar Railway was a railway that ran from the North East coast of Scotland at Arbroath inland to Guthrie on the Aberdeen Railway and then west to Forfar where is connected with the Scottish Midland Junction Railway. It was incorporated on 19 May 1836.-History:The Arbroath and...

.

India

In India, the Governor-General James Andrew Broun-Ramsay, 10th Earl of Dalhousie
James Broun-Ramsay, 1st Marquess of Dalhousie
James Andrew Broun-Ramsay, 1st Marquess of Dalhousie KT, PC was a Scottish statesman, and a colonial administrator in British India....

, being Scottish, determined that a wider gauge than standard gauge
Standard gauge
The standard gauge is a widely-used track gauge . Approximately 60% of the world's existing railway lines are built to this gauge...

 was more suitable for larger firebox and stability in high winds and long steep gradients, and chose a wide gauge already familiar in Scotland.

In the late 20th century, India adopted Project Unigauge
Project Unigauge
Project Unigauge is an ongoing exercise by Indian Railways to standardise most of the rail gauges in India at 1676 mm broad gauge....

. Gauge conversion towards Indian gauge is underway, replacing several narrow gauges and meter gauges.

Canada

In the 1850s it was first used in Canada, and was then used in other British colonies. It was known as the "Provincial gauge" in Canada. Having a break-of-gauge
Break-of-gauge
With railways, a break-of-gauge occurs where a line of one gauge meets a line of a different gauge. Trains and rolling stock cannot run through without some form of conversion between gauges, and freight and passengers must otherwise be transloaded...

 was seen as having defence value, the War of 1812
War of 1812
The War of 1812 was a military conflict fought between the forces of the United States of America and those of the British Empire. The Americans declared war in 1812 for several reasons, including trade restrictions because of Britain's ongoing war with France, impressment of American merchant...

 still being a fresh memory. The Champlain and St. Lawrence Railroad
Champlain and St. Lawrence Railroad
The Champlain and St. Lawrence Railroad was a historic railway in Lower Canada, the first Canadian public railway and one of the first railways built in British North America.-Origin:...

 was laid in 1836 to gauge.

The Grand Trunk Railway
Grand Trunk Railway
The Grand Trunk Railway was a railway system which operated in the Canadian provinces of Quebec and Ontario, as well as the American states of Connecticut, Maine, Michigan, Massachusetts, New Hampshire, and Vermont. The railway was operated from headquarters in Montreal, Quebec; however, corporate...

 which operated in several Canadian provinces (Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

 and Ontario
Ontario
Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

) and American states (Connecticut
Connecticut
Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...

, Maine
Maine
Maine is a state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the east and south, New Hampshire to the west, and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Maine is both the northernmost and easternmost...

, Massachusetts
Massachusetts
The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

, New Hampshire
New Hampshire
New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...

, and Vermont
Vermont
Vermont is a state in the New England region of the northeastern United States of America. The state ranks 43rd in land area, , and 45th in total area. Its population according to the 2010 census, 630,337, is the second smallest in the country, larger only than Wyoming. It is the only New England...

) used it, but changed
Gauge conversion
In rail transport, gauge conversion is the process of converting a railway from one rail gauge to another, through the alteration of the railway tracks...

 to standard gauge by 1873. The Grand Trunk Railway was operated from headquarters in Montreal
Montreal
Montreal is a city in Canada. It is the largest city in the province of Quebec, the second-largest city in Canada and the seventh largest in North America...

, Quebec; but corporate headquarters were in London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. The St. Lawrence and Atlantic Railroad
St. Lawrence and Atlantic Railroad
The St. Lawrence and Atlantic Railroad , known as St-Laurent et Atlantique Quebec in Canada, is a short line railroad operating between Portland, Maine on the Atlantic Ocean and Montreal, Quebec on the St. Lawrence River. It crosses the Canada-U.S...

 which operated in Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

, Vermont, New Hampshire and Maine also used it and was converted in 1873.

United States

The Bay Area Rapid Transit
Bay Area Rapid Transit
Bay Area Rapid Transit is a rapid transit system serving the San Francisco Bay Area. The heavy-rail public transit and subway system connects San Francisco with cities in the East Bay and suburbs in northern San Mateo County. BART operates five lines on of track with 44 stations in four counties...

 system uses Indian gauge. The New Orleans, Opelousas and Great Western Railroad
New Orleans, Opelousas and Great Western Railroad
The New Orleans, Opelousas and Great Western Railroad was chartered in 1852. Construction began at Algiers, across the Mississippi River from New Orleans, in late 1852. By 1857, the track had reached Brashear on Berwick Bay, and this remained the end of the line for over 20 years...

 (NOO&GW) used Indian gauge until 1872, and the Texas and New Orleans Railroad
Texas and New Orleans Railroad
The Texas and New Orleans Railroad is a former railroad in Texas and Louisiana. At one point the company was the largest railroad in Texas, with of trackage in 1934, but by 1961 there were only remaining when it was merged with parent company Southern Pacific....

 used Indian gauge ("Texas gauge") until 1876. The Grand Trunk Railway
Grand Trunk Railway
The Grand Trunk Railway was a railway system which operated in the Canadian provinces of Quebec and Ontario, as well as the American states of Connecticut, Maine, Michigan, Massachusetts, New Hampshire, and Vermont. The railway was operated from headquarters in Montreal, Quebec; however, corporate...

 predecessor St. Lawrence and Atlantic Railroad
St. Lawrence and Atlantic Railroad
The St. Lawrence and Atlantic Railroad , known as St-Laurent et Atlantique Quebec in Canada, is a short line railroad operating between Portland, Maine on the Atlantic Ocean and Montreal, Quebec on the St. Lawrence River. It crosses the Canada-U.S...

 which operated in Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

, Vermont, New Hampshire and Maine also used Indian gauge ("Canadian gauge" or "Portland gauge") and was converted in 1873. Several Maine railroads connected to the Grand Trunk Railway
Grand Trunk Railway
The Grand Trunk Railway was a railway system which operated in the Canadian provinces of Quebec and Ontario, as well as the American states of Connecticut, Maine, Michigan, Massachusetts, New Hampshire, and Vermont. The railway was operated from headquarters in Montreal, Quebec; however, corporate...

 shared its "Portland Gauge". The Androscoggin and Kennebec Railroad
Androscoggin and Kennebec Railroad
The Androscoggin and Kennebec Railroad is a historic U.S. railroad which operated in Maine.The Androscoggin and Kennebec Railroad Co. received a charter on March 28, 1847 and by January 1850 had built a line between Waterville, Maine and Danville, Maine . At Waterville, the A&K connected with the...

 and the Buckfield Branch Railroad were later consolidated as the Maine Central Railroad
Maine Central Railroad
The Maine Central Railroad Company was a railroad in central and southern Maine. It was chartered in 1856 and began operations in 1862. It operated a mainline between South Portland, Maine, east to the Canada-U.S...

 which converted to standard gauge
Standard gauge
The standard gauge is a widely-used track gauge . Approximately 60% of the world's existing railway lines are built to this gauge...

 in 1871.

John A. Poor
John A. Poor
John Alfred Poor was an American lawyer, editor, and entrepreneur best remembered for his association with the Grand Trunk Railway and his role in developing the railroad system in Maine. He was the older brother of Henry Varnum Poor of Standard & Poor's, who was his partner in some business...

's chief engineer Alvin C. Morton compiled the following advantages of "Portland Gauge" for Maine railways in 1847:
  • Frost heaves (swelling of wet soil upon freezing) produce an uneven running surface causing an irregular rocking motion as trains moved past. A wider wheelbase offered a steadier ride with less wear and tear on machinery and roadbed.
  • Wider cars offered more room for passengers and cargo. Train length would be reduced for cars carrying more cargo. Shorter trains would lessen the effects of side winds, and permit more efficient application of power.
  • Wide gauge locomotives offered more room to place reciprocating machinery inside, rather than outside the driving wheels. Reciprocating machinery was a source of vibration before mechanical engineering
    Mechanical engineering
    Mechanical engineering is a discipline of engineering that applies the principles of physics and materials science for analysis, design, manufacturing, and maintenance of mechanical systems. It is the branch of engineering that involves the production and usage of heat and mechanical power for the...

     encompassed a good understanding of dynamics; and keeping such vibration close to the center of mass reduced the angular momentum
    Angular momentum
    In physics, angular momentum, moment of momentum, or rotational momentum is a conserved vector quantity that can be used to describe the overall state of a physical system...

     causing rocking.
  • Wider fireboxes and boiler
    Boiler
    A boiler is a closed vessel in which water or other fluid is heated. The heated or vaporized fluid exits the boiler for use in various processes or heating applications.-Materials:...

    s allowed more powerful locomotives. The alternative of longer boilers held the disadvantage of poor firebox draft through the increased frictional resistance of longer boiler tubes.
  • More powerful locomotives carrying fewer, larger cars would have reduced manpower requirement for engine crews and shop personnel.
  • For locomotives of equal power, fuel consumption increased as gauge decreased.
  • More powerful wide gauge locomotives would be more capable for plowing snow
    Snow
    Snow is a form of precipitation within the Earth's atmosphere in the form of crystalline water ice, consisting of a multitude of snowflakes that fall from clouds. Since snow is composed of small ice particles, it is a granular material. It has an open and therefore soft structure, unless packed by...

    ; and thereby provide more reliable winter service.
  • Several gauges were in widespread use, and none had yet come into clear dominance.
  • Freight transfer was preferable to exchange of cars between railways because unowned cars were abused on foreign railways.
  • The Grand Trunk Railway
    Grand Trunk Railway
    The Grand Trunk Railway was a railway system which operated in the Canadian provinces of Quebec and Ontario, as well as the American states of Connecticut, Maine, Michigan, Massachusetts, New Hampshire, and Vermont. The railway was operated from headquarters in Montreal, Quebec; however, corporate...

     system feeding the seaport of Portland, Maine
    Portland, Maine
    Portland is the largest city in Maine and is the county seat of Cumberland County. The 2010 city population was 66,194, growing 3 percent since the census of 2000...

     offered little need for gauge transfer prior to loading on export shipping.
  • Potential advantages of freight transfer to the standard gauge railroad from Portland to Boston
    Boston
    Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

     seemed insignificant as long as competitive rates were available for transport on steamships between the two ports.
  • The majority of Canadian freight anticipated to be carried over rail lines to Portland was heavy and bulky in comparison to its value, and must be transported cheaply in large quantities to maintain profitability for producers and transporters.

Summary

Country/region Notes
Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

Argentina
Rail transport in Argentina
The Argentine railway network comprised of track at the end of the Second World War and was, in its time, one of the most extensive and prosperous in South America. However, with the increase in highway construction, there followed a sharp decline in railway profitability, leading to the break-up...

Almost all lines America Latina Logistica, (Railroad Development Corporation) (former San Martín line
Ferrocarril General San Martín
Ferrocarril General San Martín , named after the former Argentine general José de San Martín, was one of the six state-owned Argentine railway companies formed after President Juan Perón's nationalisation of the railway network in 1948...

), Sarmiento line
Ferrocarril Domingo Faustino Sarmiento
The Ferrocarril Domingo Faustino Sarmiento , named after the former Argentine president, statesman, educator, and author Domingo Faustino Sarmiento, was one of the six state-owned Argentine railway companies formed after President Juan Perón's nationalisation of the Argentine railway network in 1948...

,
Nuevo Central Argentino
Nuevo Central Argentino
Nuevo Central Argentino S. A. is an Argentine company that exploits the operation and infrastructure of the national railway system of the former Ferrocarril General Bartolomé Mitre division of Ferrocarriles Argentinos, by a concession granted on 23 December 1992 as part of railway privatisation...

 (former Mitre line
Ferrocarril General Bartolomé Mitre
Ferrocarril General Bartolomé Mitre , named after the former Argentine president Bartolomé Mitre, was one of the six state-owned Argentine railway companies formed after President Juan Perón's nationalisation of the railway network in 1948...

) and Ferrosur Roca
Ferrosur Roca
Ferrosur Roca S.A. is a private company which, in December1992, was awarded a concession, granted by the Argentine government, for the operation of freight services over part of the broad gauge rail network built by the British-owned company Buenos Aires Great Southern Railway and run by the...


(former Ferrocarril General Roca
Ferrocarril General Roca
Ferrocarril General Roca , named after the former Argentine president Julio Argentino Roca, was one of the six state-owned Argentine railway companies formed after President Juan Perón's nationalisation of the railway network in 1948...

), except Urquiza
Ferrocarril General Urquiza
Ferrocarril General Urquiza , named after the Argentine general and politician Justo José de Urquiza, was one of the six state-owned Argentine railway companies formed after President Juan Perón's nationalisation of the railway network in 1948...

 and Belgrano
Ferrocarril General Manuel Belgrano
Ferrocarril General Manuel Belgrano , named after the Argentine politician and military leader Manuel Belgrano, was one of the six state-owned Argentine railway companies formed after President Juan Perón's nationalisation of the railway network in 1948...

Bangladesh Bangladesh Railway
Bangladesh Railway
Bangladesh Railway is the state-owned rail transport agency of Bangladesh. It operates and maintains the entire railway network of the country...

Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

Grand Trunk Railway
Grand Trunk Railway
The Grand Trunk Railway was a railway system which operated in the Canadian provinces of Quebec and Ontario, as well as the American states of Connecticut, Maine, Michigan, Massachusetts, New Hampshire, and Vermont. The railway was operated from headquarters in Montreal, Quebec; however, corporate...

, St. Lawrence and Atlantic Railroad
St. Lawrence and Atlantic Railroad
The St. Lawrence and Atlantic Railroad , known as St-Laurent et Atlantique Quebec in Canada, is a short line railroad operating between Portland, Maine on the Atlantic Ocean and Montreal, Quebec on the St. Lawrence River. It crosses the Canada-U.S...

 and the
Champlain and St. Lawrence Railroad
Champlain and St. Lawrence Railroad
The Champlain and St. Lawrence Railroad was a historic railway in Lower Canada, the first Canadian public railway and one of the first railways built in British North America.-Origin:...

 until 1873, Specific names, Provincial gauge
Grand Trunk Railway of Canada
Intercolonial Railway of Canada
Intercolonial Railway of Canada
The Intercolonial Railway of Canada , also referred to as the Intercolonial Railway , was a historic Canadian railway that operated from 1872 to 1918, when it became part of Canadian National Railways...

 until 1875. See also Canada.
Chile Empresa de los Ferrocarriles del Estado
Empresa de los Ferrocarriles del Estado
Empresa de los Ferrocarriles del Estado is the national railway of Chile.The track gauge is Indian gauge in the south and metre gauge in the north.-History:...

India
Rail gauge in India
Rail gauge in India is complicated by historical usage of multiple track gauges. Indian Railways uses four: Broad Gauge , which is also called Indian gauge, Metre Gauge , Narrow Gauge , and Narrow Gauge....

Major routes of Indian Railways
Indian Railways
Indian Railways , abbreviated as IR , is a departmental undertaking of Government of India, which owns and operates most of India's rail transport. It is overseen by the Ministry of Railways of the Government of India....

, Delhi Metro
Delhi Metro
Delhi Metro is a rapid transit system serving Delhi, Gurgaon, Noida and Ghaziabad in the National Capital Region of India. It is one of the largest metro networks in the world. The network consists of six lines with a total length of with 142 stations of which 35 are underground...

 (some lines), Kolkata Metro
Kolkata Metro
The Kolkata Metro or Calcutta Metro is a mass rapid transit system serving the city of Kolkata and the districts of South 24 Parganas and North 24 Parganas in Indian state of West Bengal. The network consists of one operational line and five lines currently under construction...

; The other metro
Rapid transit
A rapid transit, underground, subway, elevated railway, metro or metropolitan railway system is an electric passenger railway in an urban area with a high capacity and frequency, and grade separation from other traffic. Rapid transit systems are typically located either in underground tunnels or on...

 lines are standard gauge
Standard gauge
The standard gauge is a widely-used track gauge . Approximately 60% of the world's existing railway lines are built to this gauge...

.
Pakistan
Paraguay
Paraguay
Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...

The Ferrocarril Presidente Don Carlos Antonio Lopez from Asunción to Encarnación was originally laid in this gauge, in the hope that the connecting line from Posadas to Buenos Aires would be built to the same gauge; alas, this line was laid to standard gauge, and when the FCPCAL reached Encarnación in 1912 the whole line had to be re-gauged to standard gauge to allow through-working.
Scotland
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

Two early (1830s) linked railways around Arbroath
Arbroath
Arbroath or Aberbrothock is a former royal burgh and the largest town in the council area of Angus in Scotland, and has a population of 22,785...

, (see Scotch gauge)
Sri Lanka
Rail transport in Sri Lanka
Rail Transport in Sri Lanka consists of a heavy-rail intercity network connecting major population centres and commuter rail serving Colombo commuter traffic. State-run Sri Lanka Railways, originally known as Ceylon Government Railways, is the nation's railway owner and primary operator. The...

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

Maine Central Railroad
Maine Central Railroad
The Maine Central Railroad Company was a railroad in central and southern Maine. It was chartered in 1856 and began operations in 1862. It operated a mainline between South Portland, Maine, east to the Canada-U.S...

 until 1871; Bay Area Rapid Transit
Bay Area Rapid Transit
Bay Area Rapid Transit is a rapid transit system serving the San Francisco Bay Area. The heavy-rail public transit and subway system connects San Francisco with cities in the East Bay and suburbs in northern San Mateo County. BART operates five lines on of track with 44 stations in four counties...

 (BART), San Francisco Bay Area
San Francisco Bay Area
The San Francisco Bay Area, commonly known as the Bay Area, is a populated region that surrounds the San Francisco and San Pablo estuaries in Northern California. The region encompasses metropolitan areas of San Francisco, Oakland, and San Jose, along with smaller urban and rural areas...

.
Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

 (Crimea
Crimea
Crimea , or the Autonomous Republic of Crimea , is a sub-national unit, an autonomous republic, of Ukraine. It is located on the northern coast of the Black Sea, occupying a peninsula of the same name...

)
Grand Crimean Central Railway
Grand Crimean Central Railway
The Grand Crimean Central Railway was built in 1855 during the Crimean War. Its purpose was to supply ammunition and provisions to Allied soldiers engaged in the siege of Sevastopol who were stationed on a plateau between Balaclava and Sevastopol...

 built for the British Army besieging Sebastopol
Sebastopol
Sebastopol is a former spelling and frequent variant of Sevastopol, the port on the Crimean peninsula.Sebastopol may refer to the following:Places:* Sebastopol, California, USA* Sebastopol, Mississippi, USA...

 during the Crimean War
Crimean War
The Crimean War was a conflict fought between the Russian Empire and an alliance of the French Empire, the British Empire, the Ottoman Empire, and the Kingdom of Sardinia. The war was part of a long-running contest between the major European powers for influence over territories of the declining...

(1854-1855).
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