Austin Regional ITS Architecture

Dedicated Short Range Communication at 915 MHz Standards Group

Source Element	Destination Element	Flow
CapMetro Freight and Passenger Rail Operations Center	CapMetro Lessee Freight Cars	on-board vehicle request
	CapMetro Lessee Freight Cars	trip log request
CapMetro Lessee Freight Cars	CapMetro Freight and Passenger Rail Operations Center	on-board safety data
City of Austin Fire Vehicles	City of Austin Traffic Signals	local signal preemption request
CIty of Austin In-Vehicle Parking Meters	City of Austin Parking Enterprise	vehicle payment information
City of Austin Parking Enterprise	CIty of Austin In-Vehicle Parking Meters	vehicle payment request
	CIty of Austin In-Vehicle Parking Meters	vehicle payment update
	City of Austin Parking Meters	vehicle payment request
	City of Austin Parking Meters	vehicle payment update
City of Austin Parking Meters	City of Austin Parking Enterprise	vehicle payment information
City of Round Rock Fire Vehicles	City of Round Rock Traffic Signals	local signal preemption request
	TxDOT Austin District Signals	local signal preemption request
Commercial Vehicles	City of Austin Field Sensors	traffic probe data
	City of Cedar Park Field Sensors	traffic probe data
	City of Georgetown Field Sensors	traffic probe data
	City of Round Rock Field Sensors	traffic probe data
	City of San Marcos Field Sensors	traffic probe data
	CTRMA Toll Plazas	traffic probe data
	CTRMA Toll Plazas	vehicle payment information
	Municipal ITS Field Equipment	traffic probe data
	Private Fleet Management Systems	on-board safety data
	TxDOT Austin District Field Sensors	traffic probe data
	TxDOT TOD Toll Plazas	vehicle payment information
County Public Safety Vehicles	Municipal ITS Field Equipment	local signal preemption request
	TxDOT Austin District Signals	local signal preemption request
CTRMA Toll Plazas	Commercial Vehicles	vehicle payment update
	Private Vehicles	vehicle payment update
Municipal Public Safety Vehicles	City of Cedar Park Traffic Signals	local signal preemption request
	City of Georgetown Traffic Signals	local signal preemption request
	Municipal ITS Field Equipment	local signal preemption request
	TxDOT Austin District Signals	local signal preemption request
Private Vehicles	City of Austin Field Sensors	traffic probe data
	City of Cedar Park Field Sensors	traffic probe data
	City of Georgetown Field Sensors	traffic probe data
	City of Round Rock Field Sensors	traffic probe data
	City of San Marcos Field Sensors	traffic probe data
	CTRMA Toll Plazas	traffic probe data
	CTRMA Toll Plazas	vehicle payment information
	Municipal ITS Field Equipment	traffic probe data
	TxDOT Austin District Field Sensors	traffic probe data
	TxDOT TOD Toll Plazas	vehicle payment information
Public/Private Ambulance Vehicles	City of Austin Traffic Signals	local signal preemption request
	City of Cedar Park Traffic Signals	local signal preemption request
	City of Georgetown Traffic Signals	local signal preemption request
	City of Round Rock Traffic Signals	local signal preemption request
	City of San Marcos Traffic Signals	local signal preemption request
	Municipal ITS Field Equipment	local signal preemption request
	TxDOT Austin District Signals	local signal preemption request
Rail Operations Centers	Rail Operators Rail Cars	on-board vehicle request
	Rail Operators Rail Cars	trip log request
Rail Operators Rail Cars	Rail Operations Centers	on-board safety data
Travis County Public Safety Vehicles	City of Austin Traffic Signals	local signal preemption request
	City of Round Rock Traffic Signals	local signal preemption request
	Municipal ITS Field Equipment	local signal preemption request
	TxDOT Austin District Signals	local signal preemption request
TxDOT TOD Toll Plazas	Commercial Vehicles	vehicle payment update
	Private Vehicles	vehicle payment update
Williamson County Public Safety Vehicles	City of Cedar Park Traffic Signals	local signal preemption request
	City of Georgetown Traffic Signals	local signal preemption request
	City of Round Rock Traffic Signals	local signal preemption request
	Municipal ITS Field Equipment	local signal preemption request
	TxDOT Austin District Signals	local signal preemption request