All articles starting with R
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Rāiganj
Rāiganj (রায়গঞ্জ) is the headquarters town of Uttar Dinajpur district, West Bengal, on the Kulik river; a municipality since 1951, about 183,000 people in 2011, with rapid 21st-century urban growth.
Raigō-e
Raigō-e (来迎図, raigō-zu) are Japanese paintings of Amida Buddha's welcoming descent from the Western Pure Land to receive the dying, a major Pure Land subject from the Heian period.
Raijin (雷神)
Raijin (雷神, らいじん, いかずちのかみ) is the Japanese god of thunder, also called Kaminari-sama, Narukami, and Raiden. An ogre with ox horns, a tiger-skin loincloth, and a ring of drums, paired with the wind god Fujin; born of Izanami's body in the Kojiki and conflated with Sugawara no Michizane after the 930 Seiryōden lightning strike.
Raijū (雷獣)
Raijū (雷獣), the thunder beast, is a Japanese yōkai said to fall with lightning, split trees, harm people and livestock, and leave claw marks; Edo-period records treated captured specimens as real animals.
Raikheda power station
Raikheda power station, also called the Raipur thermal power plant, is a 1,370 MW coal-fired power station in Raipur district, Chhattisgarh, India, owned by Adani Power.
Rail Baltica
Rail Baltica is a program to build an electrified, standard-gauge railway for passenger and freight linking Tallinn and Riga to Kaunas and Warsaw, the European Union's flagship North Sea–Baltic corridor project.
Rail defect detection
Rail defect detection is the set of non-destructive testing methods, chiefly magnetic induction and ultrasonic testing from detector cars, used to find internal rail flaws before they cause breaks.
Rail Delivery Group
The Rail Delivery Group (RDG) is the British rail industry body bringing together train operators, Network Rail, and HS2, established in June 2011 after the McNulty report.
Rail fastening system
A rail fastening system attaches the rail foot to the sleeper using components such as a spring clip, rail pad, insulator, and shoulder or screw anchor.
Rail freight transport
Rail freight transport, also called freight rail, is the carriage of goods by train over a railway network, typically in wagons for bulk commodities or containers for intermodal traffic.
Rail grinding
Rail grinding is a railway maintenance process that removes a thin layer of metal from the railhead with rotating abrasive stones, introduced by the Pennsylvania Railroad in the late 1930s.
Rail lubricator
A rail lubricator is a trackside or on-board device that applies grease or friction modifier to wheel flanges in curves, reducing wear, noise, and energy consumption while preserving traction and braking.
Rail profile
A rail profile is the cross-sectional shape of a railway rail, made up of a running head, web, and foot, in bullhead or flat-bottom (Vignole) families standardized under EN 13674-1 and AREMA.
Rail Safety and Standards Board
The Rail Safety and Standards Board (RSSB) is Britain's independent rail safety, standards, and research body, established in 2003 after the Ladbroke Grove crash and owned by the rail industry.
Rail trail
Rail trail: multi-use path on a former railway line or beside an active rail corridor, also called rails-to-trails. US network exceeds 22,000 miles; railbanking (1983) preserves corridors; documented health, economic, and transportation benefits.
Rail transport
Rail transport, also known as railway or railroad transport, is the movement of passengers and freight on wheeled vehicles running along fixed steel tracks; in 2023 the world's network spanned 1.17 million km.
Rail transport in China
Rail transport in China is the state-dominated national railway system, with about 165,000 km of line in 2025, over 50,000 km of it high-speed, and the world's busiest traffic.
Rail transport in Great Britain
Rail transport in Great Britain is the mainline passenger and freight railway network of England, Scotland, and Wales, carrying over 1.6 billion passenger journeys in 2024.
Rail transport in India
Rail transport in India, operated mainly by Indian Railways, began in 1853 and runs one of the world's largest rail networks, carrying 6.9 billion passenger journeys in 2023-24.
Rail transport in Iran
Rail transport in Iran is the national railway system, a 10,500 km standard-gauge network run by RAI, anchored by the UNESCO-listed Trans-Iranian Railway from the Caspian Sea to the Persian Gulf.
Rail transport in Japan
Rail transport in Japan is a network of high-speed Shinkansen lines, dense urban commuter systems, and freight services that carried 81.8 percent of domestic passenger-kilometers in fiscal 2020, beginning with the first railway in 1872.
Rail transport in Taiwan
Rail transport in Taiwan is the island's railway system, begun in 1887, now a fully electrified round-the-island network, a 350 km high-speed line, and urban metro systems.
Rail transport modelling
Rail transport modelling: the hobby of building miniature railways (layout planners SCARM, AnyRail; DCC control via JMRI), and, in professional use, macroscopic/microscopic modelling of real railway timetables and capacity.
Rail transportation in the United States
Rail transportation in the United States is a largely private freight network of nearly 140,000 route miles, plus Amtrak passenger service and urban transit, regulated by the Federal Railroad Administration.
Rail vehicle maintenance regimes
Rail vehicle maintenance regimes schedule railway rolling stock upkeep by mileage, by time, or by condition monitoring; in the EU every vehicle must belong to an entity in charge of maintenance.
Rail yard
A rail yard, also called a railroad yard or classification yard, is a complex of tracks where trains are received, sorted by destination, assembled, serviced, and dispatched.
Raila Odinga
Raila Amolo Odinga (1945–2025), Kenyan opposition leader and second Prime Minister (2008–2013), five-time presidential candidate, ODM leader, champion of the 2010 Constitution and devolution, died in Kochi, India.
Raila Odinga International Stadium
Raila Odinga International Stadium, formerly Talanta Stadium, is a 60,000-seat football venue under construction at Talanta Sports City, Jamhuri, Nairobi, by China Road and Bridge Corporation under KDF for AFCON 2027, about 94% complete in October 2026.
Railbus
A railbus is a lightweight passenger railway vehicle resembling a bus, often built with road-bus components, developed to serve little-used branch lines at low cost.
Railcar
A railcar, or rail motor, is a self-propelled railway vehicle carrying passengers or freight without a separate locomotive, either as a single unit or part of a multiple unit.