Signal lamp control system special for tramcar intersection

A signal lamp control system special for a tramcar intersection comprises vehicle-mounted GPS devices, a central data server, a special signal lamp control system, speed indication boards and trigger areas. After tramcars enter the trigger areas, the signal timing of special signal lamps is calculated by the central data server according to the geographical positions of the tramcars and suggested running speeds on the speed indication boards, and is sent to a special signal lamp control server. The central data server renews the signal timing in real time till the tramcars are driven away from the trigger areas. The special signal lamp control server analyzes signal timing information after receiving the signal timing information sent by the central data server; if the signal timing information and the phase positions of transverse social traffic lights do not conflict, the tramcars are allowed to pass through the intersection, and signal timing instructions are sent to the special signal lamps; if the signal