PURPOSE: To enable charging at an entrance / exit gate without stopping a vehicle by providing a recognizing means to recognize the passage of the vehicle owned by a party to a contract at the entrance / exit of a toll road and a means to charge the bank account of the party to the contract based on the recognized result sent from the entrance / exit and the name of the entrance / exit at a center.

CONSTITUTION: A gate 1 is equipped with a television camera 2 to image the number plate of an approaching vehicle 6 and a sensor 7 to detect the approach of the vehicle 6. At the host of the center, while referring to the list of parties to the contract, the name of the entrance in he highway and the date are recorded to the entry of the contract party list according to the number plate recognition information from a controller 5 of the gate 1 installed at the entrance of the highway. Next, according to the number plate recognition information from the controller of the gate 1 installed at the exit of the highway, the name of the exit in the highway and the used amount are registered on the entry of the contract party list, and the used amount is charged from the bank account at the end of the month. Thus, the passage of vehicles at the gate is made smooth since it is not necessary to inquire the confirmation of the party to the contract to the host at each entrance / exit gate.