MOVING BODY TRACKING SYSTEM, MOVING BODY TRACKING METHOD AND PROGRAM
CONGESTION PREDICTION DEVICE AND CONGESTION PREDICTION METHOD
SIGNAL CONTROL DEVICE, SIGNAL CONTROL SYSTEM, SIGNAL CONTROL METHOD, AND PROGRAM
SIGNAL CONTROL DEVICE, SIGNAL CONTROL SYSTEM, SIGNAL CONTROL METHOD AND PROGRAM
TRAFFIC CONTROL DEVICE, TRAFFIC CONTROL SYSTEM, TRAFFIC CONTROL METHOD, AND RECORDING MEDIUM