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Café racer
A café racer, or cafe bike, is a lightweight motorcycle stripped of excess bodywork and modified with racing-style controls and a solo seat, originating in 1950s or 1960s London café culture.
Calgary Transit
Calgary Transit, also known as the Calgary Transit System, is the public transportation agency of Calgary, Alberta, operating buses and the CTrain light rail since 1909.
California Department of Motor Vehicles
The California Department of Motor Vehicles is the state agency that licenses drivers and registers vehicles in California, serving more than 31 million registered vehicles statewide.
California Low Emission Vehicle regulations
The California Low Emission Vehicle regulations are emission standards set by the California Air Resources Board, enforceable only with an EPA waiver and adopted by 17 other states.
California State Route 1
California State Route 1, known as the Pacific Coast Highway or Highway 1, is a 656-mile scenic state highway along California's Pacific coast and the longest state route.
California State Route 120
California State Route 120, also known as the Tioga Pass Road, is a California state highway from Interstate 5 near Manteca across the Sierra Nevada through Yosemite to U.S. Route 395.
California State Route 14
California State Route 14, also known as California 14, is a state highway running from Interstate 5 at Newhall Pass through Palmdale and Lancaster to Mojave and toward US 395.
California State Route 46
California State Route 46, also known as the Paso Robles Highway, is a state highway in central California from Cambria through Paso Robles to Route 99 near Famoso.
California State Route 58
California State Route 58 (SR 58) is a 234-mile state highway in central California running from U.S. 101 near Santa Margarita to Interstate 15 near Barstow.
California State Route 60
California State Route 60, also called the Pomona Freeway, is a major east–west freeway in Southern California running from Los Angeles through Riverside to Interstate 10 near Beaumont.
California State Route 74
California State Route 74 (SR 74), also called the Ortega Highway, is a state highway in southern California linking San Juan Capistrano, Lake Elsinore, Hemet, and Palm Desert.
California State Route 91
California State Route 91 is a 57.9-mile east-west highway in Southern California connecting Los Angeles with the Inland Empire, known for the pioneering 91 Express Lanes toll facility.
California State Route 99
California State Route 99, also known as California Highway 99, is a 415-mile state highway through California's Central Valley from Wheeler Ridge to Red Bluff, created in 1964.
California Vehicle Code
The California Vehicle Code (CVC) is the California state statute covering most highway traffic law, from licensing and registration to rules of the road, codified in 1935.
Camber angle
Camber angle is the angle between a vehicle's wheel and vertical when viewed from the front, one of the principal wheel-alignment angles alongside toe and caster.
Campervan
A campervan, also called a camping car, is a panel van converted for camping use with a bed and kitchen, driven as a single self-contained vehicle.
Canadian Automobile Association
The Canadian Automobile Association (CAA) is a not-for-profit federation of Canadian automobile clubs founded in 1913 that serves more than 7 million members with roadside assistance, travel, and insurance services.
Cannabis-impaired driving
Cannabis-impaired driving is driving with abilities degraded by recent cannabis use, chiefly THC; it roughly doubles serious crash risk, though blood THC levels poorly track impairment.
Cannonball Run challenge
The Cannonball Run challenge is an illegal timed attempt to drive from New York City to Los Angeles as fast as possible, descended from Brock Yates's 1970s race.
Capacity drop
Capacity drop is a traffic flow phenomenon in which flow from a queue at a freeway bottleneck drops below pre-queue capacity, typically by 5 to 20 percent.
Cape seal
A cape seal is a pavement preservation treatment combining a chip seal with a slurry seal or microsurfacing, developed in the Cape Province of South Africa in the 1950s.
Car
A car, also called an automobile, is a wheeled motor vehicle for passengers, first developed with gasoline engines by Gottlieb Daimler and Karl Benz in the late 19th century.
Car body style
A car body style is the general configuration or shape of a vehicle, distinguished by doors, windows, cargo features, and roofline, such as sedan, SUV, coupe, or wagon.
Car classification
Car classification, also known as automobile classification, is the set of systems that sort automobiles into categories by regulatory class, bodywork code, market segment, or body style.
Car controls
Car controls, also known as automobile controls, are the steering wheel, pedals, and gear selector a driver uses, plus secondary controls for lights, wipers, and climate.
Car dealership
A car dealership, also known as an auto dealer or car yard, is a retail business selling new or used vehicles, typically under a franchise agreement with a manufacturer.
Car suspension
Car suspension, also called vehicle suspension or the suspension system, is the assembly of springs, dampers, and linkages connecting a vehicle's body to its wheels.
Car tuning
Car tuning (car modification, chiptuning): modifying a vehicle beyond factory specification for performance, handling or appearance. Covers ECU remapping stages 1–3, suspension, brakes, aesthetics, ~$6B market, plus legal, emissions and insurance limits.
Car-following model
A car-following model is a microscopic traffic-flow model that computes a driver's acceleration from the gap and speed of the vehicle ahead, dating to the early 1950s.
Carbon fiber bicycle frames
Carbon fiber bicycle frames are frames built by layering resin-impregnated carbon sheets in a mold, first made entirely of carbon by Kestrel in 1986 and now standard for high-performance bikes.