METHOD FOR TOLLING VEHICLES IN AN OPEN-ROAD TOLL SYSTEM

摘要

A method of tolling vehicles in an open-road toll system with vehicle-based on-boardunits and roadside radio beacons. The method includes reading out atransaction information anda factor from the on-board unit; updating the factor as a function of the read-out transactioninformation and calculating a debit amount as a function of the updatedfactor; sending a debitrequest with the calculated debit amount and the updated factor to the on-board unit; anddebiting the received debit amount to a toll credit account in the on-boardunit and writing a newtransaction information concerning this new debit transaction and the receivedupdated factorinto the on-board unit.