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Colombian national road network
The Colombian national road network, or Red Vial Nacional, is the system of national, departmental, and municipal roads carrying most passenger and freight movement in Colombia.
Colorado Department of Transportation
The Colorado Department of Transportation (CDOT) is the state agency responsible for Colorado's highways and bridges, aviation, and other transportation programs, created in its present form in 1991.
Comanchero Motorcycle Club
The Comanchero Motorcycle Club is an Australian outlaw motorcycle club founded in Sydney in 1966, best known for the 1984 Milperra Massacre and 2009 Sydney Airport brawl.
Comet (tank)
The Comet, formally A34, was a British cruiser tank of the Second World War, armed with the 77 mm gun and regarded as Britain's best tank of the war.
Comma.ai
Comma.ai is an American automotive technology company based in San Diego, California, founded by hacker George Hotz, that develops the open source driver assistance system openpilot.
Commercial driver's license
A commercial driver's license, also called a commercial driving license, is a US license, issued under federal standards, required to operate large trucks, buses, and hazmat vehicles.
Commercial Utility Cargo Vehicle
The Commercial Utility Cargo Vehicle (CUCV), related to the Light Service Support Vehicle, is a family of Chevrolet and GMC commercial trucks General Motors modified for the United States military.
Commercial vehicle
A commercial vehicle is a motor vehicle used on public roads to transport passengers or cargo for business, classified by weight or use in law.
Compact car
A compact car is a passenger vehicle smaller than a midsize car but larger than a subcompact, defined in the US by an interior volume of 100 to under 110 cubic feet.
Compact executive car
A compact executive car, also called an entry-level luxury car, is a premium-badged sedan or estate below full-size luxury models, dominated by the BMW 3 Series, Mercedes C-Class, and Audi A4.
Compact MPV
A compact MPV, or compact multi-purpose vehicle, is a small family car about 4 to 4.5 meters long, with a raised roofline and flexible seating, pioneered by the 1996 Renault Scénic.
Concept car
A concept car is a vehicle built by an automaker to display a new design or technology rather than to be sold, beginning with the 1938 Buick Y-Job.
Conduite accompagnée
Conduite accompagnée, formally apprentissage anticipé de la conduite, is a French scheme letting teenagers start supervised driving at 15 and take the driving test at 17.
Conestoga wagon
The Conestoga wagon is a heavy, covered freight wagon with a curved bed, developed by Pennsylvania Germans near the Conestoga River around 1750 and used for hauling freight until railroads replaced it in the 1850s.
Connected Vehicle Pilot
The Connected Vehicle Pilot was a US Department of Transportation program begun in 2015 that funded connected vehicle deployments in Wyoming, New York City, and Tampa, Florida.
Connecticut Department of Transportation
The Connecticut Department of Transportation (CTDOT) is the state agency handling transportation planning, engineering, construction, and mass transit across Connecticut; it was established on October 1, 1969.
Connecting Europe Facility
The Connecting Europe Facility (CEF) is an EU funding instrument, created in 2013, that supports transport, energy, and digital infrastructure projects with a €33.71 billion budget for 2021–2027.
Connexxion
Connexxion is one of the largest public transport companies in the Netherlands, operating regional and urban bus, taxi, and care transport as a brand of the French mobility group Transdev.
Continuous track
A continuous track, also called a caterpillar track or tank tread, is a system of vehicle propulsion that spreads weight over an endless band instead of wheels.
Continuously reinforced concrete pavement
Continuously reinforced concrete pavement (CRCP) is concrete road pavement with continuous longitudinal steel reinforcement and no intermediate transverse joints; its cracks are a designed feature, first tested in 1921.
Continuously variable transmission
A continuously variable transmission (CVT) is an automatic transmission that uses two pulleys joined by a belt or chain to change gear ratios continuously, improving fuel economy.
CONTRAN
CONTRAN (Conselho Nacional de Trânsito, National Traffic Council) is Brazil's highest normative traffic body, created in 1967, which regulates the Brazilian Traffic Code through binding resolutions.
Controlled-access highway
A controlled-access highway, also known as a freeway or motorway, is a road where traffic enters and exits only at interchanges, with no cross traffic or property access.
Convertible
A convertible, also called a cabriolet or drophead coupe, is a car with a folding or removable roof, standardized by the SAE as a body style in 1928.
Convoy (1978 film)
Convoy (1978), Sam Peckinpah's trucker action drama based on C.W. McCall's 1975 chart-topping song, starring Kris Kristofferson as Rubber Duck leading a convoy against Sheriff Ernest Borgnine; EMI Films, released 28 June 1978, grossed $46.5 million per TCM.
Cooper Tire & Rubber Company
Cooper Tire & Rubber Company, also known as Cooper Tires, was an American tire manufacturer in Findlay, Ohio, founded in 1914 and acquired by Goodyear in 2021.
Cooperative adaptive cruise control
Cooperative adaptive cruise control (CACC) is a vehicle control method extending adaptive cruise control with vehicle-to-vehicle communication, holding short time gaps that prevent phantom traffic jams.
Cooperative intelligent transport system
A cooperative intelligent transport system (C-ITS) is a road transport system in which vehicles, infrastructure, and road users exchange information over wireless links to improve traffic safety, known in the US as connected vehicle technology.
Cord Corporation
Cord Corporation was a Chicago-based holding company formed by Errett Lobban Cord in 1929, controlling Auburn, Duesenberg, the Cord marque, Stinson Aircraft, and American Airways.
Corinthian leather
Corinthian leather is a marketing term coined in 1974 by the agency Bozell for Chrysler's upholstery, made famous by Ricardo Montalbán's Cordoba commercials and remembered as luxurious-sounding nonsense.