Alexander ALX400 A two-axle, low-floor double-decker bus body produced 1997–2006 by Alexander and successor companies, fitted to several chassis and widely used by urban and tourist operators in th…
Alexander ALX500 — three-axle low-floor double-decker bus Alexander ALX500 The Alexander ALX500 is a three-axle, low-floor double-decker body built by Alexander and later TransBus between 1997 and 2002, primarily for high-capacity urban routes in Hong Kon…
Alexander Dash (step‑entrance midibus body) Alexander Dash A step‑entrance midibus body by Walter Alexander built 1991–1997, usually mounted on Dennis Dart or Volvo B6 chassis; known for two windscreen styles and use on local and regional…
Alexander Dennis Enviro200 A single-decker, low-floor midibus built by TransBus/Alexander Dennis since 2003, designed for urban and suburban services and produced in multiple generations and configurations.
Alexander Dennis Enviro300 A medium-weight single-deck low-floor bus built in two generations from 2001 to 2015 by TransBus International and then Alexander Dennis, used on urban and regional services.
Alexander Dennis Enviro400 A widely used low-floor double-decker bus family from Alexander Dennis, introduced in 2005 and offered in multiple generations, configurations and low-emission powertrains for urba…
Alexander PS (step-entrance single-decker bus body) Alexander PS type The Alexander PS was a step-entrance single-decker bus body built by Walter Alexander in the 1980s–1990s for a range of commercial chassis used on local and interurban services.
Alexander Strider bus body Alexander Strider Overview of the Alexander Strider single-decker step-entrance bus body, its design, chassis options, history, uses, and how it fits into the shift toward low‑floor buses in the 199…
Alfa Romeo 145 (1994–2000) Alfa Romeo 145 Compact three‑door hatchback produced by Alfa Romeo from 1994 to 2000. Replaced the 33 and was succeeded by the 147. Noted for its driver‑focused layout, range of four‑cylinder eng…
Alfa Romeo 146 Compact five‑door hatchback from Alfa Romeo introduced in the mid‑1990s. Known for its Italian styling, Twin Spark petrol engines and front‑wheel‑drive handling; replaced the 33 an…
Alfa Romeo 147 — compact hatchback Alfa Romeo 147 The Alfa Romeo 147 is a compact C-segment hatchback produced by Alfa Romeo from 2000 to 2010, known for sporty handling, multiple body styles, and a high-performance GTA variant.
Alfa Romeo 155: compact executive saloon introduced in 1992 Alfa Romeo 155 Compact executive saloon introduced by Alfa Romeo in early 1992, revised in 1995 and later replaced by the Alfa Romeo 156. Known for varied engines, sporty variants and touring-car…
Alfa Romeo 156 — compact executive car (1997–2005) Alfa Romeo 156 The Alfa Romeo 156 is a compact executive car produced from 1997 to 2005. Noted for its styling, handling and concealed rear door handles, it spawned saloon and Sportwagon variants…
Alfa Romeo 159 Mid-size executive car produced by Alfa Romeo from 2005 to 2011, offered as a saloon and Sportwagon; noted for its design, safety performance and quality interior, and succeeded th…
Alfa Romeo 164 Executive four-door saloon produced by Alfa Romeo from 1987–1997; designed by Pininfarina, built on the Type Four platform, and sold in the US from 1991–1995. Replaced the Alfa 90…
Alfa Romeo 166 — Italian executive saloon (1998–2007) Alfa Romeo 166 Executive four-door saloon produced by Alfa Romeo from 1998 to 2007, noted for its styling, V6 engines and position in the premium mid-size segment; facelifted in 2003 with RHD pro…
Aljunied MRT station (EW9) Aljunied MRT station Aljunied MRT station (EW9) is an elevated station on Singapore's East West Line serving the Aljunied area of Geylang. Opened 4 Nov 1989, it connects local streets to east–west rail…
Alperton tube station Alperton is a London Underground station on the Piccadilly Line's Uxbridge branch, serving the Alperton area in northwest London. It lies in Travelcard Zone 4 and connects with loc…
Alstom Coradia: family of regional and intercity multiple-unit trains Alstom Coradia Alstom Coradia is a modular family of multiple-unit trains for regional and intercity service, offered in electric, diesel, bimodal and hydrogen variants and adapted for different…
Alstom Coradia Juniper family of British electric multiple units Alstom Coradia Juniper A family of electric multiple-unit trains built by Alstom for services in Great Britain. Juniper units share a Coradia design approach, have several variants for different power sy…
Alstom Metropolis C751A — Singapore's first CBTC driverless trains Alstom Metropolis C751A A concise overview of the Alstom Metropolis C751A trains: design, history, operation on Singapore's North East Line, and their role as the country's first driverless CBTC rolling s…
Alstom Metropolis C830C: CBTC-equipped metro trainsets for Singapore Alstom Metropolis C830C Overview of the Alstom Metropolis C830C metro trains: origins, design characteristics, role in Singapore's MRT system, and notable features of this third-generation CBTC rolling st…
Alternative fuel vehicle Vehicles that use fuels or energy carriers other than conventional petroleum-derived gasoline or diesel, including electric, hydrogen, biofuels, natural gas, propane, compressed ai…
Ambulance: emergency medical transport and care vehicle Ambulance An ambulance is a specially equipped vehicle that provides urgent medical treatment and transports sick or injured people to hospital, staffed by trained personnel and used in emer…
American Airlines Flight 77 and the Pentagon attack (September 11, 2001) American Airlines Flight 77 American Airlines Flight 77 was hijacked on September 11, 2001 and deliberately flown into the Pentagon. This article summarizes the aircraft, timeline, casualties, aftermath, and…
American Airlines Flight 96 — 1972 DC-10 Cargo‑door Explosive Decompression Incident American Airlines Flight 96 1972 in-flight explosive decompression of American Airlines Flight 96 after a DC-10 cargo door failure near Windsor, Ontario; safe emergency landing, subsequent design changes and…
Amersham station (Buckinghamshire) Amersham station Railway and Underground station in Amersham, Buckinghamshire; terminus of the Metropolitan line and served by Chiltern Railways with commuter and regional connections to London and…
Ang Mo Kio MRT station Ang Mo Kio MRT station (NS16/CR11) is an above‑ground Mass Rapid Transit station in Ang Mo Kio, Singapore, serving the North South Line and planned to interchange with the Cross Is…
Angel Road railway station (Enfield, London) Angel Road railway station Small former railway station in Edmonton, London (Travelcard Zone 4) on the Lea Valley Lines. Built beneath the A406, it was unstaffed and replaced in 2019 by Meridian Water to sup…
Angel tube station (Northern line, London) Angel tube station London Underground station at The Angel, Islington on the Bank branch of the Northern line. Between Old Street and King's Cross St. Pancras in Travelcard Zone 1; noted for long esc…
Annual Average Daily Traffic (AADT) Annual average daily traffic AADT measures the average number of vehicles using a roadway each day over a year. It aids planning, maintenance, safety analysis and funding, but it is an average that masks peak…
Ansett Australia — history of a major Australian airline Ansett Australia Former Australian airline founded in 1935, based in Melbourne; operated domestic and regional services, entered administration in 2001 and ceased flying in 2002. Legacy includes as…
Anti-lock braking system (ABS): function, components, history, and use Anti-lock braking system Overview of anti-lock braking systems (ABS): principles, main parts, development, benefits and limits, motorcycle variants, integration with stability systems, maintenance and driv…
Anton Buslov — Russian transport expert, blogger and urban activist Anton Buslov Anton Buslov (1983–2014) was a Russian blogger, columnist and campaigner for sustainable urban transport; founder of 'Voronezh Citizens – for trams' and co‑founder of the 'City and…
Antonov An-12 (Cub) — Soviet four-engine turboprop transport Antonov An-12 Soviet-era four-engine turboprop transport designed by Antonov. Known by NATO as 'Cub', it served military and civil roles with a rear loading ramp, rugged undercarriage and many v…
Antonov An-124 Ruslan Antonov An-124 The Antonov An-124 Ruslan is a Soviet‑era strategic airlifter by Antonov, designed for very large and heavy cargo. It features a nose-loading ramp, heavy‑duty landing gear and is u…
Antonov An-2 — Soviet single-engine biplane utility aircraft (Colt) Antonov An-2 The Antonov An-2 is a rugged Soviet single-engine biplane introduced after World War II for passenger, cargo and utility roles. Known for STOL performance and long service worldwid…
Antonov An-225 Mriya Antonov An-225 Mriya — the heaviest aircraft ever built, a six-engine Ukrainian cargo plane designed for the Buran shuttle and later used for outsized freight; destroyed during the…
Antonov An-24: Soviet twin‑engined regional transport aircraft Antonov An-24 A rugged twin‑engined turboprop designed by Antonov for regional airline and military use, capable of operating from short or unprepared runways; produced in the USSR and licensed…
Antonov An-26: Soviet twin-turboprop transport aircraft Antonov An-26 Twin-turboprop transport developed by Antonov from the An-24. Rugged short-field freighter used by civilian airlines and military air arms worldwide; notable for rear cargo ramp an…
Antonov An-3 Turboprop development of the Antonov An-2 biplane: a Soviet-era, multipurpose STOL utility aircraft used for passenger, cargo and agricultural work with limited post‑Soviet product…
Antonov An-72 — Soviet/Ukrainian STOL transport (NATO: Coaler) Antonov An-72 The Antonov An-72 is a twin‑jet, short‑takeoff‑and‑landing transport developed by the Antonov design bureau in the late 1970s. Known for its overwing engines and Arctic-capable der…
Apollo Lunar Module: design, history, and operational use Apollo Lunar Module The Apollo Lunar Module (LM) was the two-stage, crewed landing vehicle used in NASA’s Apollo missions to land astronauts on the Moon and return them to lunar orbit for rendezvous w…
Archway tube station (London Underground) Archway tube station Archway is a London Underground station on the Northern line, located beneath Archway Tower at the junction of Holloway Road, Highgate Hill and Junction Road. It serves north Londo…
Armadale railway line (Perth metropolitan rail) Armadale railway line Suburban heavy rail line in Perth linking the central city with south‑eastern suburbs and Armadale, including a Thornlie spur; part of the Transperth network on narrow gauge tracks…
Arnos Grove tube station Arnos Grove is a Piccadilly line London Underground station in north London, noted for its 1930s modernist architecture, local connections and position as the first surface stop no…
Arsenal tube station (London Underground) Arsenal tube station Arsenal is a Piccadilly line London Underground station in Highbury, north London, in Travelcard Zone 2. Opened as Gillespie Road, it was renamed in 1932 for Arsenal Football Club…
Arthur Ravenel Jr. Bridge Cable-stayed bridge spanning the Cooper River in South Carolina, opened in 2005; an eight-lane crossing linking Charleston and Mount Pleasant and a notable modern landmark and tran…
