A METHOD AND A TRAFFIC LIGHT CONTROL SYSTEM FOR CONTROLLING THE TRAFFIC LIGHTS IN AT LEAST ONE INTERSECTION

摘要

A traffic light control system for controlling the traffic lights (4,5,6) in at least one intersection (10, 11, 12, ..., 26) based on the position of a vehicle (1) . The system comprises switching means for switching the status of the traffic lights (4,5,6) , position determining means to periodically determine the position of the vehicle (1), and controlling means for controlling the switching means based on the periodically determined position of the vehicle (1) . Advantageously the controlling means comprises a control unit (3) , located remotely from the vehicle (1), a first communication means between the control unit and the switching means, and a second communication means between the position determining means and the control unit. Thereby a system is provided wherein no attention to the system is required from the driver of the vehicle (1) . Furthermore a green wave of traffic lights is provided when the route of the emergency vehicle (1) is not known in advance.