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

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

Source Element	Destination Element	Flow
Private Traveler Vehicles	Regional Electronic Toll System	vehicle payment information
Regional Electronic Toll System	Private Traveler Vehicles	vehicle payment request
Regional Electronic Toll System	Private Traveler Vehicles	vehicle payment update