IEEE P1609.11: Standard for Wireless Access in Vehicular Environments (WAVE) - Over- the-Air Data Exchange Protocol for Intelligent Transportation Systems (ITS)

Source ElementDestination ElementFlow
OTC Toll Collection EquipmentTraveler Vehiclesvehicle payment request
Traveler Vehiclesvehicle payment update
Traveler VehiclesOTC Toll Collection Equipmentvehicle payment information