Transportation

Citroën BX — compact executive car produced 1982–1994 Citroën BX The Citroën BX is a compact family/executive car produced by Citroën from 1982 to 1994. Noted for its lightweight body, hydropneumatic suspension and distinctive Bertone styling, i…

Citroën C4 Compact family car from the French brand Citroën, introduced in 2004 to replace the Xsara; evolved through several generations and body styles including hatchback, coupe-cabriolet…

Citroën C5 — mid-size family car by Citroën Citroën C5 The Citroën C5 is a mid-size family car introduced in 2001. Known for its comfort-focused ride, hydropneumatic suspension options, and estate/hatchback bodies, it entered a second…

Citroën C6 — flagship executive saloon (2005–2012) Citroën C6 Large executive four-door saloon from Citroën produced 2005–2012. Known for its comfort, hydropneumatic suspension and distinctive styling; used as an official car by several Frenc…

Citroën Evasion Large MPV produced by Citroën from 1994 to 2002, developed in a multi-brand European collaboration and notable for flexible seating, sliding doors and practical family transport us…

Citroën Jumpy (Dispatch) — mid-size light commercial van Citroën Jumpy Mid-size light commercial van produced by Citroën since 1994. Also sold as Dispatch; badge-engineered with Peugeot and Fiat. Offered in cargo and passenger forms, various lengths,…

Citroën Saxo Compact supermini from Citroën produced 1996–2003. Based on the Peugeot 106 platform, offered 3- and 5-door bodies, multiple petrol/diesel engines and sporty VTR/VTS trims; succeed…

Citroën Xantia Mid-size family car produced by Citroën (1993–2002). Known for its hydropneumatic suspension, comfortable ride, and the high-performance Activa variant. Replaced the BX and was suc…

Citroën XM (1989–2000): executive hatchback and estate Citroën XM The Citroën XM was an executive car produced 1989–2000, noted for its aerodynamic styling and Citroën hydropneumatic suspension. It was offered as a five‑door hatchback and later a…

Citroën Xsara — compact family car (1997–2005) Citroën Xsara Compact family car produced by Citroën from 1997 to 2005. Available as hatchback, estate and coupé; MPV Xsara Picasso produced 1999–2010. Known for comfortable ride, PSA platform s…

Citroën Xsara Picasso — compact family MPV (1999–2012) Citroën Xsara Picasso Compact multi-purpose vehicle from Citroën introduced in 1999. The Xsara Picasso offered a tall, practical interior for family use and remained in production alongside its successo…

City car (A-segment urban automobile) City car A very small automobile class intended for short urban trips. City cars prioritize compact dimensions, maneuverability, and economy; common examples include the Fiat 500 and Chevro…

City Hall MRT station (NS25/EW13) — Civic District interchange in Singapore City Hall MRT station Underground Mass Rapid Transit interchange beneath Stamford and North Bridge Roads in Singapore's Civic District. Key transfer point between the North–South and East–West lines, ad…

City Loop (Melbourne) — central suburban rail tunnel network City Loop The Melbourne City Loop is a central rail tunnel and set of stations linking suburban lines around the central business district, improving passenger distribution and network capac…

City Thameslink railway station Central London National Rail station on the Thameslink route with underground platforms and entrances on Ludgate Hill and Holborn Viaduct, serving commuters to the City and cross‑L…

Clapham Junction railway station Major rail interchange in Battersea, south-west London, known for a large number of platforms and heavy train movements. Serves suburban and regional routes and functions chiefly a…

Clapton railway station (London Overground) Clapton railway station Suburban station serving Upper Clapton on the Lea Valley Lines, linking to Liverpool Street and Chingford. Located on Upper Clapton Road and straddling Travelcard Zones 2 and 3.

Clarke Quay MRT station (NE5), Singapore Clarke Quay MRT station Underground station on Singapore's North East Line serving the Clarke Quay riverside entertainment district. Code NE5; opened with the North East Line in 2003. Close to riverfront…

Classic car A classic car is an older automobile prized for age, design, rarity or historical importance; definitions vary but the category guides collecting, restoration, insurance and preser…

Clementi MRT station (EW23) — Singapore East West Line Clementi MRT station Clementi MRT (EW23) is an above‑ground East West Line station in Clementi, Singapore. Opened in 1988, it links rail, bus and retail in an integrated transport hub and serves heavy…

Coach (horse-drawn carriage) Coach (carriage) A coach is a four-wheeled, usually closed horse-drawn carriage used historically for passenger travel, mail and ceremonial purposes. Driven by a coachman or postilions, it shaped l…

Codeshare agreement: how airlines share and market flights Codeshare agreement Codeshare agreements allow one airline to sell seats on flights operated by another, expanding networks and simplifying bookings while creating shared flight numbers and occasional…

Coffin ships (Irish famine emigrant vessels) Coffin ship Coffin ships were overcrowded, poorly supplied vessels that carried Irish emigrants during the Great Famine (1845–1852). High disease and death rates made these Atlantic crossings…

Commonwealth MRT Station (EW20) — Singapore East West Line stop Commonwealth MRT station Commonwealth MRT (EW20) is an elevated station on Singapore’s East West Line, opened in 1988. It serves residential areas along Commonwealth Avenue and provides rail connections to…

Commuting: patterns, modes, history and impacts of daily travel to work Commuting Daily travel between home and workplace, its modes and patterns, historical development since the 19th century, and social, economic and environmental effects and responses.

Compassvale LRT Station (SE1) — Sengkang light rail stop Compassvale LRT Station Compassvale LRT Station (station code SE1) is a light rail stop on the East Loop of the Sengkang LRT in Singapore, serving the Compassvale residential precinct since 18 January 200…

Conduit current collection (tramway power system) Conduit current collection An underground method for supplying electric power to trams: conductor rails sit in a roadway channel and vehicles pick up current through a slot, avoiding overhead wires.

Confederation Bridge A 12.9 km two-lane fixed link between Prince Edward Island and New Brunswick, notable for its engineering, year-round highway connection, and role in regional transport.

Congestion: Causes, Impacts, and Management in Transport, Medicine, and Networks Congestion Overview of congestion across transport, medicine, and networks: causes, impacts on mobility, health and data flow, and practical strategies for prevention, mitigation, and improve…

Connecticut Turnpike (Governor John Davis Lodge Turnpike) Connecticut Turnpike A major Connecticut freeway corridor running from Byram to South Killingly, formed by portions of I-95, I-395 and CT 695; opened in the 1950s and largely toll-free since 1985.

Connex Melbourne Connex Melbourne was the suburban train operator that ran Melbourne's metropolitan rail network in the 2000s, consolidating services under private franchise before being replaced b…

Connex South Eastern — former UK train operator (1996–2003) Connex South Eastern Overview of Connex South Eastern, the private train operator that held the South Eastern franchise (1996–2003), its services, rolling stock issues, termination and legacy.

Container: forms, functions and modern uses Container A container is any object that holds, protects or transports goods or data. This article explains physical and software containers, common types, history, uses, and distinctions li…

Container ship A container ship is a cargo vessel designed to carry standardized intermodal containers. This article explains design, capacity (TEU), history, operations, common types, and enviro…

Containerization: standardized freight shipping and its global impact Containerization Containerization is the standardized system of transporting goods in reusable steel containers that enables intermodal transfer, reduces handling and costs, and reshaped global tra…

Controlled-access highway: motorway, freeway and autobahn Controlled-access highway A highway built for high-speed travel with limited entry and exit, grade-separated junctions, and restricted access. Known as motorways, freeways or autobahns in different countrie…

Convertible (automobile): open-top cars, roof types and history Convertible A convertible (cabriolet or roadster) is a car with a retractable or removable roof. This article explains designs, roof mechanisms, history, advantages, drawbacks, and common term…

Conveyor belt A continuous-loop carrying surface used to move materials or people; key in mining, manufacturing, airports and logistics for efficient bulk and unit handling.

Convoy: organization, history, tactics and modern uses Convoy A convoy is a group of vehicles or vessels traveling together for mutual support and protection. This article explains organization, historical development, defensive tactics and c…

Copenhagen Metro Driverless rapid transit serving central Copenhagen and suburbs. Opened in stages since 2002, expanded with a city circle and further branches, it is a key part of the region's pub…

Coracle — the small, lightweight traditional boat Coracle A coracle is a lightweight, skin-on-frame or woven-wood boat used for fishing and river transport in Britain and similar simple boats elsewhere in Asia and the Middle East. Valued…

Coupé (automobile) Coupé A coupé is a passenger car with a fixed roof and generally two doors, styled for a sporty profile. Definitions and market usage vary; the term covers many body styles and modern va…

Crate — shipping and storage container Crate A crate is a sturdy container used for packing, storing, and transporting goods. It comes in wood, plastic, metal and other forms, designed for protection, handling, stacking and r…

Crewe railway station Major railway junction in Crewe, Cheshire, England. Opened in 1837, it has 12 platforms, is Grade II listed, and serves long-distance and regional routes on the West Coast Main Lin…

Crich Tramway Village: National Tramway Museum and Edwardian Street Re-creation Crich Tramway Village Crich Tramway Village in Derbyshire hosts the National Tramway Museum, an Edwardian streetscape with period shops, restored historic trams on a one-mile running line, exhibits and…

Cross-platform interchange (railway passenger transfers) Cross-platform interchange A cross-platform interchange is a station layout that lets passengers change trains by simply crossing a platform, reducing transfer time and improving accessibility in transit net…

Crossharbour DLR station Crossharbour is a Docklands Light Railway station on the Isle of Dogs in East London, serving the Bank–Lewisham line and local residential and waterside areas in Travelcard Zone 2.

Crossover (CUV): definition, design, history and uses Crossover A crossover (CUV) is a car-based vehicle combining SUV and wagon features, generally built on a unibody platform with lighter off-road ability and adaptable interiors for family an…