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

Source	Architecture Flow	Destination
Parking Management	vehicle payment request	Vehicle
Parking Management	vehicle payment update	Vehicle
Roadway Payment	vehicle payment request	Vehicle
Roadway Payment	vehicle payment update	Vehicle
Vehicle	vehicle payment information	Parking Management
Vehicle	vehicle payment information	Roadway Payment