Method for charging position usages of vehicles in a road toll system including acquiring an identifier of a vehicle device, a transaction value and an identifier of a payment card as a payment transaction, authorization a payment transaction system and transmitting associated authorization data with the vehicle device identifier to a toll server, generating a substitute identifier assigned to the card identifier and transmitting the substitute identifier with the authorization data to the toll server, associating the substitute identifier and the vehicle device identifier based on the respective received authorization data, calculating toll values based on position usages of vehicles, based on the card identifier assigned to substitute identifier, the transmitted toll values and the transaction value.