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Washington Metro
The Washington Metro, or Metrorail, is a heavy-rail rapid transit system with 98 stations on six color-named lines serving Washington, DC, and its Maryland and Virginia suburbs, operated by WMATA.
Washington Metro rolling stock
Washington Metro rolling stock is the fleet of railcars operated by WMATA on Metrorail since 1976, from Rohr 1000-series cars to Hitachi 8000-series cars on order.
Washington Metropolitan Area Transit Authority
Washington Metropolitan Area Transit Authority (WMATA), or Metro, is the public transportation provider for the D.C. region. It serves four million people and operates six rail lines.
Watercress Line
The Watercress Line, also known as the Mid-Hants Railway, is a 10-mile heritage railway in Hampshire, England, between Alton and Alresford, named for the watercress it once carried to market.
WD Austerity 2-10-0
The WD Austerity 2-10-0, also known as the WD class 8F 2-10-0, is a heavy freight steam locomotive designed by R. A. Riddles during the Second World War; 150 were built between 1943 and 1945.
WD Austerity 2-8-0
The WD Austerity 2-8-0, also known as the WD class 8F 2-8-0, is a British heavy freight steam locomotive built for wartime military service from 1943.
Weaver line
The Weaver line is a London Overground line running from Liverpool Street to Enfield Town, Cheshunt, and Chingford, shown in maroon and named in 2024.
Well car
A well car, also called a double-stack or stack car, is a freight railroad car with a depressed well that lets a second container ride stacked on top of the first.
Werribee line
The Werribee line is a suburban electrified railway in Melbourne, Australia, serving southwestern suburbs between Flinders Street and Werribee, and continuing past Werribee as the Geelong line.
West Coast Main Line
The West Coast Main Line is a core UK railway running from London to Glasgow via Crewe and Lancaster, with branches to Manchester, Birmingham, and Liverpool.
West Midlands Metro
West Midlands Metro, formerly the Midland Metro, is a light rail tram network in England connecting Birmingham and Wolverhampton, opened in 1999 and expanding into the Black Country.
West Midlands Trains
West Midlands Trains is a British train operating company that ran the West Midlands rail franchise from 2017 until 2026, under the West Midlands Railway and London Northwestern Railway brands.
Westbahn (railway company)
Westbahn is an Austrian private railway company operating long-distance passenger trains since December 2011, running from Vienna to Salzburg and later to Innsbruck, Munich, and Graz.
Western Australian Government Railways
Western Australian Government Railways (WAGR), known as Westrail from 1975, built and ran Western Australia's railways from 1890 until becoming part of the Public Transport Authority in 2003.
Western Dedicated Freight Corridor
The Western Dedicated Freight Corridor (WDFC) is a 1,506 km freight-only, electrified, double-track railway in India running from Dadri near Delhi to Jawaharlal Nehru Port near Mumbai, completed in 2026.
Western line (Mumbai Suburban Railway)
The Western line is a principal corridor of the Mumbai Suburban Railway, run by Western Railway from Churchgate in south Mumbai through the western suburbs to Dahanu Road.
Western Rail Yard
The Western Rail Yard is the western half of the MTA's West Side Storage Yard in Manhattan, an active LIRR yard being redeveloped as Hudson Yards phase two.
Western Railway zone
Western Railway, also known as Western Railways, is a zone of Indian Railways headquartered in Mumbai. It serves nearly all of Gujarat and parts of three neighboring states.
Westlock Interlocking
Westlock is a computer-based railway interlocking system, originally developed by Westinghouse and now owned by Siemens, and one of the most widely deployed interlockings on the British mainline network.
Wheel arrangement
Wheel arrangement, or wheel configuration, describes a locomotive's leading, driving, and trailing wheels and axles through the Whyte, UIC, and AAR notations, and determines how its mass is distributed over the track.
Wheel slide protection
Wheel slide protection (WSP) is a railway braking system that prevents wheelsets from locking and sliding during braking, limiting longer stopping distances and wheel damage.
Whyte notation
Whyte notation, also known as the Whyte classification, is a system for classifying steam locomotives by wheel arrangement, devised by Frederick Methvan Whyte and standard in North America and the United Kingdom.
Wien Hauptbahnhof
Wien Hauptbahnhof, or Vienna Central Station, is Vienna's main railway station, opened in 2014 on the former Südbahnhof site and operated by the Austrian federal railways ÖBB.
Wiener Linien
Wiener Linien is Vienna's municipal public transport operator, wholly owned by the City of Vienna since its 1999 conversion, responsible for the city's U-Bahn, tram, and bus network.
William Mason (locomotive)
William Mason is a preserved 4-4-0 "American" type steam locomotive built in 1856 for the Baltimore & Ohio Railroad, reportedly carrying Abraham Lincoln on his secret 1861 journey to Washington.
Windrush line
The Windrush line is a London Overground railway line, shown in red, named in 2024 after the Windrush generation and carrying about 65 million journeys a year.
Wisconsin Central Ltd.
Wisconsin Central Ltd. is an American freight railroad founded in 1987 to buy the Soo Line's Lake States lines; Canadian National acquired it in 2001 for $800 million.
World Trade Center station (PATH)
World Trade Center station is a PATH rapid transit terminal beneath the World Trade Center site in Lower Manhattan, serving trains from Newark and Hoboken, New Jersey.
Wuhan–Guangzhou High-Speed Railway
The Wuhan–Guangzhou High-Speed Railway is a 1,068-kilometer line linking Wuhan and Guangzhou, opened in 2009 as the world's longest single high-speed project, cutting the trip to about three hours.
Wuppertal Schwebebahn
The Wuppertal Schwebebahn, also called the Wuppertal Suspension Railway or Wuppertal monorail, is a suspended monorail in Wuppertal, Germany, opened in 1901, whose trains hang from a rail above the Wupper river.