TRAFFIC MONITORING DEVICE, TRAFFIC MONITORING SYSTEM, TRAFFIC MONITORING METHOD, AND PROGRAM
MEASUREMENT DEVICE, MEASUREMENT METHOD, MEASUREMENT SYSTEM AND PROGRAM
VEHICLE TYPE DISCRIMINATION DEVICE AND VEHICLE TYPE DISCRIMINATION METHOD
VEHICLE MONITORING DEVICE, VEHICLE MONITORING METHOD, AND PROGRAM
VEHICLE WIDTH MEASUREMENT SYSTEM, VEHICLE WIDTH MEASUREMENT METHOD, AND TOLL COLLECTION FACILITY
VEHICLE DETECTOR, VEHICLE DETECTION SYSTEM, VEHICLE DETECTION METHOD, AND VEHICLE DETECTION PROGRAM