| 摘要 |
PURPOSE: A traffic signal control device and a method thereof are provided to enable traffic signal interworking matched with a vehicle speed by delaying or advancing a signal of the same conversion cycle as much as a constant offset time. CONSTITUTION: A broadcast signal receiving unit(210) receives a broadcast signal. The broadcast signal is transmitted from a traffic control center(100). A traffic light control unit(220) determines an offset time with a reference traffic light. The traffic light control unit controls the signal conversion of a control target traffic light. [Reference numerals] (100) Traffic control center; (200-n) n traffic signal controller; (210) Broadcast signal receiving unit; (220) Traffic light control unit; (230) Two-way communication unit; (250-1) First traffic light; (250-2) Second traffic light |
