ROAD TRAFFIC CONTROL COMMUNICATION SYSTEM AND COMMUNICATION METHOD
FAILURE DETECTION SYSTEM, INFORMATION PROCESSING DEVICE, AND ON-VEHICLE DEVICE
AUTOMATIC TRAVELING CAR SYSTEM, CONTROL METHOD, AND PROGRAM
TRAVEL TIME ESTIMATION SYSTEM AND TRAVEL TIME ESTIMATION METHOD
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM
VEHICULAR PASSAGE CONTROL SYSTEM AND VEHICULAR PASSAGE CONTROL PROGRAM
DRIVING CHARACTERISTIC EVALUATION METHOD, PROGRAM, AND DRIVING CHARACTERISTIC EVALUATION DEVICE
TRAFFIC MONITORING SYSTEM AND METHOD, AND COMPUTER PROGRAM
TRAFFIC DENSITY OPTIMIZATION SYSTEM AND TRAFFIC DENSITY OPTIMIZATION METHOD