US Patent 10217357 Autonomous in-vehicle virtual traffic light system

An autonomous in-vehicle virtual traffic light system that mimics conventional traffic signal systems and neither depends on vehicle to vehicle communication nor vehicle to intersection or road sensors communication nor vehicle to wireless network communication. The system does not depend on external servers nor broadcast stations to forward traffic information to conventional vehicles or driverless vehicles. A virtual traffic controller placed on-board vehicles to provide traffic information including traffic light signals and images of road signs autonomously.