Abstract: A toll collection system obtains the data showing that the vehicle enters into the entrance of a toll road and data obtained from the on board unit mounted on the vehicle as the entrance passing data and the data showing that the vehicle exits from the exit of the toll road and the data peculiar to the on board unit mounted on the vehicle obtained by wireless communication with the on board unit as the exit passing data. Furthermore, the system specifies the utilization by the vehicle basing upon the obtained exit passing data and the entrance passing data and also, obtains the data read out from the number plate provided on the vehicle and specifies the vehicle basing upon the data read out from the number plate, when the utilization by the vehicle cannot be specified.

Abstract: A toll collection system obtains the data showing that the vehicle enters into the entrance of a toll road and data obtained from the on board unit mounted on the vehicle as the entrance passing data and the data showing that the vehicle exits from the exit of the toll road and the data peculiar to the on board unit mounted on the vehicle obtained by wireless communication with the on board unit as the exit passing data. Furthermore, the system specifies the utilization by the vehicle basing upon the obtained exit passing data and the entrance passing data and also, obtains the data read out from the number plate provided on the vehicle and specifies the vehicle basing upon the data read out from the number plate, when the utilization by the vehicle cannot be specified.

Abstract: A radio communication system is provided at an entrance gate of traffic facilities for radio communicating with a communication device carried by a vehicle. The system includes a first communication unit for transmitting first entrance data relative to the entrance gate of the traffic facilities to the communication device carried by the vehicle coming into the entrance gate, a discriminating unit for determining a vehicle type showing a kind of incoming vehicle, and a second communication unit, provided on an opposite side of the entrance gate from the first communication unit, along a direction of progress of the vehicle, for transmitting a second entrance data including data relative to the determined vehicle type to the communication device when the first communication unit transmits the first entrance data to the communication device.