Austin Regional ITS Architecture

SAE J2735: Dedicated Short Range Communications (DSRC) Message Set Dictionary

Source Element	Destination Element	Flow
City of Austin Field Sensors	Commercial Vehicles	traffic probe reporting management
	Private Vehicles	traffic probe reporting management
City of Cedar Park Field Sensors	Commercial Vehicles	traffic probe reporting management
	Private Vehicles	traffic probe reporting management
City of Georgetown Field Sensors	Commercial Vehicles	traffic probe reporting management
	Private Vehicles	traffic probe reporting management
City of Round Rock Field Sensors	Commercial Vehicles	traffic probe reporting management
	Private Vehicles	traffic probe reporting management
City of San Marcos Field Sensors	Commercial Vehicles	traffic probe reporting management
	Private Vehicles	traffic probe reporting management
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
	Municipal ITS Field Equipment	traffic probe data
	TxDOT Austin District Field Sensors	traffic probe data
CTRMA Toll Plazas	Commercial Vehicles	traffic probe reporting management
	Private Vehicles	traffic probe reporting management
Municipal ITS Field Equipment	Commercial Vehicles	traffic probe reporting management
	Private Vehicles	traffic probe reporting management
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
	Municipal ITS Field Equipment	traffic probe data
	TxDOT Austin District Field Sensors	traffic probe data
TxDOT Austin District Field Sensors	Commercial Vehicles	traffic probe reporting management
	Private Vehicles	traffic probe reporting management