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Stewarts Lane
Stewarts Lane, also called Stewarts Lane Depot, is a railway depot in Battersea, south-west London, opened in 1862 and still serving passenger and Pullman trains.
Stockton and Darlington Railway
The Stockton and Darlington Railway opened in 1825 as the world's first public railway to use steam locomotives, hauling its first train behind George Stephenson's Locomotion No. 1.
Stuttgart 21
Stuttgart 21 (S21) is a German railway project converting Stuttgart's terminal main station into an underground eight-track through station, part of the larger Stuttgart–Ulm rail project.
Subgrade
The subgrade in railway engineering is the compacted upper surface of the embankment fill or cutting that receives the ballast and must carry traffic loads without significant deformation.
Sudhanshu Mani (सुधांशु मणि)
Sudhanshu Mani (सुधांशु मणि) is a retired Indian Railway Service officer who, as General Manager of the Integral Coach Factory, Chennai, led the creation of Train 18.
Sunbury line
The Sunbury line is a suburban railway line in Melbourne, Victoria, Australia. It opened in 1859 as part of the first government railway in Victoria, built to British standards.
Sunset Limited
The Sunset Limited is an Amtrak long-distance passenger train between Los Angeles and New Orleans, inaugurated by the Southern Pacific in the 1890s and retained by Amtrak in 1971.
Super Chief
The Super Chief was the Santa Fe Railway's flagship all-Pullman passenger train between Chicago and Los Angeles from 1936 to 1971, famed for its red-and-silver Warbonnet locomotives.
Superheater
A superheater, or steam superheater, is a device that reheats boiler steam above saturation temperature into dry superheated steam, improving efficiency in locomotives, turbines, and industrial plant.
Superliner (railcar)
The Superliner is a bi-level long-distance passenger railcar operated by Amtrak, built in two generations by Pullman-Standard in the late 1970s and by Bombardier in the 1990s.
Swindon Works
Swindon Works, also known as Swindon railway works, was the Great Western Railway's principal locomotive and carriage works in Swindon, Wiltshire, operating 1843 to 1986.
Swiss Federal Railways
Swiss Federal Railways, or SBB (German Schweizerische Bundesbahnen, French Chemins de fer fédéraux suisses), is the state-owned Swiss railway company that has run most of the country's standard-gauge network since 1902.
Swiss locomotive and railcar classification
The Swiss locomotive and railcar classification is the letter-and-number system used since 1902 to name Switzerland's railway locomotives, with designations such as Re 4/4 and Re 460.
Switcher and shunting locomotives
A switcher (United States) or shunter (United Kingdom) is a small locomotive built to sort and move rail cars within yards, stations, ports, and industrial sites.
Sydney Metro
Sydney Metro, also known as Sydney Rapid Transit, is a fully automated, driverless rapid-transit network in Sydney, Australia, whose first line opened in May 2019.
Sydney Metro Inspiro Stock
The Sydney Metro Inspiro stock is a fleet of twelve three-car driverless trains built by Siemens Mobility for the Sydney Metro line serving Western Sydney International Airport.
Sydney Trains
Sydney Trains is the New South Wales government agency that has operated Sydney's metropolitan suburban rail network since 1 July 2013, when it replaced CityRail.
Taeyangho armoured train
The Taeyangho, Korean for "the sun", is North Korea's heavily armored green leadership train, used by three generations of the Kim family for foreign travel.
Taipei Metro (台北捷运)
Taipei Metro, also known as the Taipei MRT or Taipei Mass Rapid Transit, is the metro system serving Taipei and New Taipei in Taiwan since 1996.
Taipei Metro C371
The Taipei Metro C371 (台北捷运371型电联车) is a high-capacity electric multiple unit built by Kawasaki Heavy Industries and Taiwan Rolling Stock Co. between 2005 and 2009.
Taipei Metro C381
The Taipei Metro C381 (台北捷运C381型) is an electric multiple unit built by Kawasaki and TRSC from 2010 to 2013 for the Xinyi and Songshan lines.
Taiwan High Speed Rail (台湾高速铁路)
Taiwan High Speed Rail (台湾高速铁路) is a 350 km high-speed railway running from Nangang in Taipei to Zuoying in Kaohsiung, opened in 2007 with Shinkansen-based trains reaching 300 km/h.
Taiwan Railway (台湾铁路)
Taiwan Railway (台湾铁路) is Taiwan's intercity and regional railway system, with 1,065 km of track and 242 stations, operated since 2024 by the state-owned Taiwan Railway Corporation.
Talent 2
The Talent 2 is a family of Bombardier electric multiple units for regional and S-Bahn service, built in Germany as DB Class 442, with about 400 units running since 2011.
Talgo
Talgo (Patentes Talgo) is a Spanish railway rolling stock manufacturer founded in 1942 around engineer Alejandro Goicoechea's design, known for lightweight articulated trainsets whose wheels change track gauge without stopping.
Talyllyn Railway
The Talyllyn Railway (Rheilffordd Talyllyn) is a narrow-gauge preserved railway in Gwynedd, Wales, built in the 1860s to carry slate from Bryn Eglwys quarry to the coast at Tywyn.
Tamping machine
A tamping machine, informally a tamper or ballast tamper, is a self-propelled rail-mounted machine that packs ballast under sleepers and lifts and lines the track.
Tanfield Railway
The Tanfield Railway, also known as the Tanfield Waggonway, is a heritage railway in North East England, promoted as the world's oldest railway, dating from 1725.
Tank car
A tank car, also called a tanker or tank wagon, is a railroad freight car built around a tank for carrying liquids, gases, and bulk commodities such as crude oil and chemicals.
Tank locomotive
A tank locomotive, also known as a tank engine, is a steam locomotive that carries its own coal and water in onboard tanks instead of a separate tender, running equally well in either direction.