For example, the gate 1 or 2 may transfer a signal from a cellular phone to the computer 3, and the computer 3 may determine whether or not this signal is a signal for using a turnpike. [0091] If the gate 1 determines that the use notification signal is received, it transmits the information (such as a cellular phone number, a payment ratio, etc.) about a user/a split toll payer, which is included