Vehicle-to-vehicle

V2V (short for vehicle to vehicle) is an automobile technology designed to allow automobiles to "talk" to each other. The systems will use a region of the 5.9 gigahertz band set aside by the United States Congress in 1999, the unlicensed frequency also used by WiFi.

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V2V is currently in active development by General Motors, which demonstrated the system in 2006 using Cadillac vehicles. Other automakers working on V2V include BMW, DaimlerChryser, Honda, and Volvo.

V2R is Vehicle-to-Roadside communications.

See also

• Cruise control
• Dedicated Short Range Communications
• Lane departure warning system