The latest trend in vehicle technology is vehicle-to-vehicle (V2V) communication—or in the case of vehicles communicating with roadside devices, vehicle-to-infrastructure (V2I) communication. V2V communication is primarily designed to communicate safety and traffic warnings to vehicles through a dynamic mesh network between vehicles and roadside devices called the intelligent transportation system. This mesh connects various nodes—vehicles or devices—in the network and relays information between them.

The promise of V2V is so great that in February 2014 the US Department of Transportation announced its desire ...

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