Clarksville Regional ITS Architecture

IEEE 1455-1999: Standard for Message Sets for Vehicle/Roadside Communications

Source Element	Destination Element	Flow
City of Clarksville On-Street Parking Meters	City of Clarksville Parking Authority	vehicle payment information
City of Clarksville Parking Authority	City of Clarksville On-Street Parking Meters	vehicle payment request
	City of Clarksville On-Street Parking Meters	vehicle payment update
Public/Private Vehicles	City of Clarksville Field Sensors	traffic probe data