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Road transport

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Uran-9

The Uran-9 (Уран-9) is a Russian tracked, remotely controlled combat robot for reconnaissance and fire support, tested in Syria in 2018 and reportedly entering service in 2019.

Urban Dynamometer Driving Schedule

The Urban Dynamometer Driving Schedule (UDDS), also called LA-4 or the city test, is a standardized speed trace run on a dynamometer to measure urban fuel economy and emissions.

Urban traffic

Urban traffic: vehicle and person flows on city street networks and their congestion. Distinguished by FHWA congestion-cause breakdown, TomTom 3.65-trillion-km index, health impacts, and congestion charging in London, Singapore, and New York.

Ursula and Sabina Eriksson

Ursula and Sabina Eriksson, known as the Eriksson twins, are Swedish identical twins who ran into M6 traffic in May 2008; three days later Sabina killed a man sheltering her.

User equilibrium

User equilibrium, also called the Wardrop equilibrium, is a traffic assignment concept, stated by J. G. Wardrop in 1952, in which no traveler can reduce travel time by switching routes.

Utah Department of Transportation

The Utah Department of Transportation (UDOT) is the Utah state agency responsible for all interstate and state highways, created in 1975 and headquartered in Salt Lake City.

Ute (vehicle)

A ute, short for utility vehicle, is an Australian term for a passenger vehicle with an open cargo area, originating with the 1934 coupe utility.

Utility bicycle

A utility bicycle, also called a city or Dutch bike, is a bicycle built for everyday practical transport like commuting, shopping, and carrying goods or children rather than sport.

V2X (vehicle-to-everything)

V2X (vehicle-to-everything) is a wireless communication technology letting vehicles exchange data with other vehicles, roadside infrastructure, and pedestrians, warning of hazards beyond onboard sensors' line of sight.

V8 engine

A V8 engine is an internal combustion engine with eight cylinders in two banks of four forming a V, known for smooth power delivery and distinctive sound.

Vägförvaltningen

Vägförvaltningen (Tiehallinto, the Finnish Road Administration) was the Finnish state agency that managed the state road network from 2001 to 2009, before merging into the Transport Infrastructure Agency in 2010.

Vagos Motorcycle Club

The Vagos Motorcycle Club, or Vagos MC, is an American outlaw motorcycle club founded in 1965 in San Bernardino, California, known for its green colors and Loki insignia.

Valeo

Valeo S.A. is a French automotive equipment supplier headquartered in Paris that was founded in 1923, listing on Euronext Paris and reporting 20.9 billion euros in sales in 2025.

Valet parking

Valet parking, also called valet service, is a service in which an attendant, called a valet, parks and retrieves customers' vehicles at hotels, restaurants, airports, and hospitals.

Valley Transportation Authority

The Valley Transportation Authority, also known as the Santa Clara Valley Transportation Authority, is a special district providing bus, light rail, and paratransit service across Santa Clara County, California.

Van

A van is a motor vehicle with an enclosed box body for carrying goods or people, ranging from small panel vans to minibuses and ambulances.

Van Rysel

Van Rysel is a road cycling brand owned by the French retailer Decathlon, founded in 2019 and based in Lille, which has supplied the WorldTour team Decathlon CMA CGM since 2024.

Variable speed limit

A variable speed limit is a speed limit that changes with road, traffic, or weather conditions, shown on electronic signs, first used on a German autobahn in 1970.

Variable-message sign

A variable-message sign (VMS), also called a dynamic or changeable message sign, is a programmable traffic device that displays messages about congestion, travel times, and closures to motorists.

Variants of the Stryker

Variants of the Stryker, or Stryker variants, are the mission-specific configurations of the US Army's eight-wheeled Stryker armored vehicle, including ten original variants from M1126 to M1135.

Vauxhall Astra

The Vauxhall Astra is a small family car sold by Vauxhall since 1979 across eight generations, the sister model of the Opel Astra and a perennial UK bestseller.

Vauxhall Cavalier

The Vauxhall Cavalier was a family car sold by Vauxhall from 1975 to 1995 across three generations, with about 1.8 million sold in the UK.

Vauxhall Motors

Vauxhall Motors, originating as the Vauxhall Iron Works in London in 1857, is a British automotive brand owned by Stellantis, previously General Motors from 1925 to 2017.

VAZ-2101

The VAZ-2101 Zhiguli, exported as the Lada 1200, is a four-door Soviet sedan built by VAZ in Tolyatti from 1970 to 1988 as a reworked licensed Fiat 124.

VBMR-L Serval

The VBMR-L Serval, or Véhicule Blindé Multi-Rôles Léger, is a 4×4 armored vehicle of the French Army built by KNDS France and Texelis, carrying a crew of 2 plus up to 8 soldiers.

Vector W8

The Vector W8 Twin Turbo is an American mid-engined supercar built by Vector Aeromotive of Wilmington, California, between 1989 and 1993; only 17 were completed.

Vehicle

A vehicle is a conveyance for moving people or goods by land, water, or air; road vehicles dominate, carrying 91 percent of US passenger trips in 2022.

Vehicle barrier gate

A vehicle barrier gate, also called a boom barrier or boom gate, raises and lowers an arm to control vehicle access at parking lots, toll lanes, and crossings.

Vehicle category

A vehicle category is a regulatory classification assigning road vehicles to classes by purpose, mass, or seats, which determines the type-approval, safety, and emissions rules that apply.

Vehicle Certification Agency

The Vehicle Certification Agency (VCA) is the United Kingdom's national authority for approving new road vehicles and components, an Executive Agency of the Department for Transport.