Triangle Region ITS Architecture

Adaptive Traffic Signal Systems

Description

Implementation of adaptive traffic signal systems to improve mobility and reduce peak period delays. Consider operations for bicycles and pedestrians. Could be employed in any jurisdiction in the region so this project architecture shows a representative set of devices/interfaces that could be applied as needed in the region.

Status

Planned

Timeframe

Mid–Term (5–10 years)

Stakeholders

Local Traffic Management Departments
Public Travelers

Inventory

Cyclist
Driver
Local ITS Field Equipment
Local Traffic Operations Centers
Local Traffic Signals
Pedestrian

Services

TM03–Traffic Signal Control – Local (w humans)

Interfaces

Source	Flow	Destination	Status
CAMPO Data Warehouse	archive requests	Local Traffic Operations Centers	Not Applicable
CAMPO Data Warehouse	archive status	Local Traffic Operations Centers	Not Applicable
Cary Traffic Signals	driver information	Driver	Not Applicable
Chapel Hill Park and Ride Lots	driver parking information	Driver	Not Applicable
Cyclist	crossing call	Local Traffic Signals	Planned
DCHC Data Warehouse	archive requests	Local Traffic Operations Centers	Not Applicable
DCHC Data Warehouse	archive status	Local Traffic Operations Centers	Not Applicable
Driver	driver input	Vehicle	Not Applicable
Durham County EOC	alert notification	Local Traffic Operations Centers	Not Applicable
Durham County EOC	amber and silver alert_ud	Local Traffic Operations Centers	Not Applicable
Durham County EOC	emergency plan coordination	Local Traffic Operations Centers	Not Applicable
Durham County EOC	emergency traffic control request	Local Traffic Operations Centers	Not Applicable
Durham County EOC	evacuation information	Local Traffic Operations Centers	Not Applicable
Durham County EOC	incident information	Local Traffic Operations Centers	Not Applicable
Durham County EOC	incident response status	Local Traffic Operations Centers	Not Applicable
Durham County EOC	maint and constr resource request	Local Traffic Operations Centers	Not Applicable
Durham County EOC	resource request	Local Traffic Operations Centers	Not Applicable
Durham County EOC	threat information	Local Traffic Operations Centers	Not Applicable
Durham County EOC	transportation system status	Local Traffic Operations Centers	Not Applicable
GoRaleigh Transit Vehicles	local signal priority request	Local Traffic Signals	Not Applicable
GoTriangle Rail Dispatch Center	amber and silver alert_ud	Local Traffic Operations Centers	Not Applicable
GoTriangle Rail Wayside Equipment	track status	Local Traffic Signals	Not Applicable
GoTriangle Region – Transit Data Warehouse	archive status	Local Traffic Operations Centers	Not Applicable
Local Fire/EMS Vehicles	local signal preemption request	Local Traffic Signals	Not Applicable
Local ITS Field Equipment	field equipment status	Local Public Works Department	Not Applicable
Local ITS Field Equipment	field equipment status	Local Traffic Operations Centers	Not Applicable
Local ITS Field Equipment	right–of–way request notification	Local Traffic Operations Centers	Not Applicable
Local ITS Field Equipment	roadway advisory radio status	Local Public Works Department	Not Applicable
Local ITS Field Equipment	roadway advisory radio status	Local Traffic Operations Centers	Not Applicable
Local ITS Field Equipment	roadway dynamic signage status	Local Public Works Department	Not Applicable
Local ITS Field Equipment	roadway dynamic signage status	Local Traffic Operations Centers	Not Applicable
Local ITS Field Equipment	roadway equipment coordination	Local Traffic Signals	Planned
Local ITS Field Equipment	signal control status	Local Traffic Operations Centers	Not Applicable
Local ITS Field Equipment	signal fault data	Local Traffic Operations Centers	Not Applicable
Local ITS Field Equipment	traffic detector data	Local Traffic Operations Centers	Planned
Local ITS Field Equipment	traffic images	Local Public Works Department	Not Applicable
Local ITS Field Equipment	traffic images	Local Traffic Operations Centers	Planned
Local Public Works Department	current infrastructure restrictions	Local Traffic Operations Centers	Not Applicable
Local Public Works Department	equipment maintenance status	Local Traffic Operations Centers	Not Applicable
Local Public Works Department	incident information	Local Traffic Operations Centers	Not Applicable
Local Public Works Department	maint and constr resource response	Local Traffic Operations Centers	Not Applicable
Local Public Works Department	maint and constr work plans	Local Traffic Operations Centers	Not Applicable
Local Public Works Department	road network status assessment	Local Traffic Operations Centers	Not Applicable
Local Public Works Department	roadway advisory radio data	Local ITS Field Equipment	Not Applicable
Local Public Works Department	roadway dynamic signage data	Local ITS Field Equipment	Not Applicable
Local Public Works Department	video surveillance control	Local ITS Field Equipment	Not Applicable
Local Public Works Department	work plan coordination	Local Traffic Operations Centers	Not Applicable
Local Public Works Department	work zone information	Local Traffic Operations Centers	Not Applicable
Local Traffic Operations Centers	alert status	Durham County EOC	Not Applicable
Local Traffic Operations Centers	alert status	Orange County EOC	Not Applicable
Local Traffic Operations Centers	alert status	Wake County EOC	Not Applicable
Local Traffic Operations Centers	amber and silver alert_ud	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	amber and silver alert_ud	Other Local Traffic Operations Centers	Not Applicable
Local Traffic Operations Centers	amber and silver alert_ud	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	current infrastructure restrictions	GoTriangle Rail Dispatch Center	Not Applicable
Local Traffic Operations Centers	current infrastructure restrictions	Local Transit Dispatch Centers	Not Applicable
Local Traffic Operations Centers	current infrastructure restrictions	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	current infrastructure restrictions	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	emergency plan coordination	Durham County EOC	Not Applicable
Local Traffic Operations Centers	emergency plan coordination	Orange County EOC	Not Applicable
Local Traffic Operations Centers	emergency plan coordination	Wake County EOC	Not Applicable
Local Traffic Operations Centers	emergency traffic control information	Durham County EOC	Not Applicable
Local Traffic Operations Centers	emergency traffic control information	Orange County EOC	Not Applicable
Local Traffic Operations Centers	emergency traffic control information	Wake County EOC	Not Applicable
Local Traffic Operations Centers	emergency traffic coordination	Other Local Traffic Operations Centers	Not Applicable
Local Traffic Operations Centers	equipment maintenance request	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	incident information	Durham County EOC	Not Applicable
Local Traffic Operations Centers	incident information	GoTriangle Rail Dispatch Center	Not Applicable
Local Traffic Operations Centers	incident information	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	incident information	Local Transit Dispatch Centers	Not Applicable
Local Traffic Operations Centers	incident information	Orange County EOC	Not Applicable
Local Traffic Operations Centers	incident information	Other Local Traffic Operations Centers	Not Applicable
Local Traffic Operations Centers	incident information	Wake County EOC	Not Applicable
Local Traffic Operations Centers	incident information for public	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	incident information for public	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	incident information.	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	maint and constr archive data	CAMPO Data Warehouse	Not Applicable
Local Traffic Operations Centers	maint and constr archive data	DCHC Data Warehouse	Not Applicable
Local Traffic Operations Centers	maint and constr archive data	Triangle Region – Traffic Data Warehouse	Not Applicable
Local Traffic Operations Centers	maint and constr resource request	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	maint and constr resource response	Durham County EOC	Not Applicable
Local Traffic Operations Centers	maint and constr resource response	Orange County EOC	Not Applicable
Local Traffic Operations Centers	maint and constr work plans	Local Transit Dispatch Centers	Not Applicable
Local Traffic Operations Centers	maint and constr work plans	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	maint and constr work plans	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	rail crossing control data	Local Traffic Signals	Not Applicable
Local Traffic Operations Centers	rail crossing request	Local Traffic Signals	Not Applicable
Local Traffic Operations Centers	resource deployment status	Durham County EOC	Not Applicable
Local Traffic Operations Centers	resource deployment status	Orange County EOC	Not Applicable
Local Traffic Operations Centers	resource deployment status	Wake County EOC	Not Applicable
Local Traffic Operations Centers	road network conditions	Durham County EOC	Not Applicable
Local Traffic Operations Centers	road network conditions	GoTriangle Rail Dispatch Center	Not Applicable
Local Traffic Operations Centers	road network conditions	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	road network conditions	Local Transit Dispatch Centers	Not Applicable
Local Traffic Operations Centers	road network conditions	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	road network conditions	Orange County EOC	Not Applicable
Local Traffic Operations Centers	road network conditions	Other Local Traffic Operations Centers	Not Applicable
Local Traffic Operations Centers	road network conditions	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	road network conditions	Wake County EOC	Not Applicable
Local Traffic Operations Centers	road network status assessment	Durham County EOC	Not Applicable
Local Traffic Operations Centers	road network status assessment	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	road network status assessment	Orange County EOC	Not Applicable
Local Traffic Operations Centers	road network status assessment	Wake County EOC	Not Applicable
Local Traffic Operations Centers	roadway advisory radio data	Local ITS Field Equipment	Not Applicable
Local Traffic Operations Centers	roadway dynamic signage data	Local ITS Field Equipment	Not Applicable
Local Traffic Operations Centers	roadway maintenance status	GoTriangle Rail Dispatch Center	Not Applicable
Local Traffic Operations Centers	roadway maintenance status	Local Transit Dispatch Centers	Not Applicable
Local Traffic Operations Centers	roadway maintenance status	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	roadway maintenance status	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	signal control commands	Local ITS Field Equipment	Not Applicable
Local Traffic Operations Centers	signal control commands	Local Traffic Signals	Planned
Local Traffic Operations Centers	signal control device configuration	Local ITS Field Equipment	Not Applicable
Local Traffic Operations Centers	signal control device configuration	Local Traffic Signals	Planned
Local Traffic Operations Centers	signal control plans	Local ITS Field Equipment	Not Applicable
Local Traffic Operations Centers	signal control plans	Local Traffic Signals	Planned
Local Traffic Operations Centers	signal system configuration	Local ITS Field Equipment	Not Applicable
Local Traffic Operations Centers	signal system configuration	Local Traffic Signals	Planned
Local Traffic Operations Centers	traffic archive data	CAMPO Data Warehouse	Not Applicable
Local Traffic Operations Centers	traffic archive data	DCHC Data Warehouse	Not Applicable
Local Traffic Operations Centers	traffic archive data	GoTriangle Region – Transit Data Warehouse	Not Applicable
Local Traffic Operations Centers	traffic archive data	Triangle Region – Traffic Data Warehouse	Not Applicable
Local Traffic Operations Centers	traffic control information	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	traffic control information	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	traffic detector control	Local ITS Field Equipment	Planned
Local Traffic Operations Centers	traffic detector control	Local Traffic Signals	Not Applicable
Local Traffic Operations Centers	traffic images	GoTriangle Rail Dispatch Center	Not Applicable
Local Traffic Operations Centers	traffic images	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	traffic images	Local Transit Dispatch Centers	Not Applicable
Local Traffic Operations Centers	traffic images	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	traffic images	Other Local Traffic Operations Centers	Not Applicable
Local Traffic Operations Centers	traffic images	Private Traveler Information Systems	Not Applicable
Local Traffic Operations Centers	traffic images.	GoTriangle Rail Dispatch Center	Not Applicable
Local Traffic Operations Centers	traffic images.	Local Transit Dispatch Centers	Not Applicable
Local Traffic Operations Centers	video surveillance control	Local ITS Field Equipment	Planned
Local Traffic Operations Centers	video surveillance control	Local Traffic Signals	Not Applicable
Local Traffic Operations Centers	work plan coordination	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	work plan feedback	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	work zone information	GoTriangle Rail Dispatch Center	Not Applicable
Local Traffic Operations Centers	work zone information	Local Public Works Department	Not Applicable
Local Traffic Operations Centers	work zone information	Local Transit Dispatch Centers	Not Applicable
Local Traffic Operations Centers	work zone information	NCDOT DriveNC.gov	Not Applicable
Local Traffic Operations Centers	work zone information	Private Traveler Information Systems	Not Applicable
Local Traffic Signals	crossing permission	Cyclist	Planned
Local Traffic Signals	crossing permission	Pedestrian	Planned
Local Traffic Signals	driver information	Driver	Planned
Local Traffic Signals	field equipment status	Local Public Works Department	Not Applicable
Local Traffic Signals	field equipment status	Local Traffic Operations Centers	Not Applicable
Local Traffic Signals	rail crossing operational status	GoTriangle Rail Wayside Equipment	Not Applicable
Local Traffic Signals	rail crossing operational status	NCDOT Rail Division Wayside Equipment	Not Applicable
Local Traffic Signals	rail crossing operational status	Rail Wayside Equipment	Not Applicable
Local Traffic Signals	rail crossing status	Local Traffic Operations Centers	Not Applicable
Local Traffic Signals	right–of–way request notification	Local Traffic Operations Centers	Planned
Local Traffic Signals	roadway equipment coordination	Local ITS Field Equipment	Planned
Local Traffic Signals	signal control data	Local ITS Field Equipment	Planned
Local Traffic Signals	signal control status	Local Traffic Operations Centers	Planned
Local Traffic Signals	signal fault data	Local Traffic Operations Centers	Planned
Local Traffic Signals	traffic detector data	Local Traffic Operations Centers	Not Applicable
Local Traffic Signals	traffic images	Local Traffic Operations Centers	Not Applicable
Local Transit Dispatch Centers	emergency transit schedule information	Local Traffic Operations Centers	Not Applicable
Local Transit Dispatch Centers	work plan feedback	Local Traffic Operations Centers	Not Applicable
National Weather Service	weather information	Local Traffic Operations Centers	Not Applicable
NCDOT DriveNC.gov	traffic images.	Local Traffic Operations Centers	Not Applicable
NCDOT Rail Division Wayside Equipment	track status	Local Traffic Signals	Not Applicable
Orange County EOC	alert notification	Local Traffic Operations Centers	Not Applicable
Orange County EOC	amber and silver alert_ud	Local Traffic Operations Centers	Not Applicable
Orange County EOC	emergency plan coordination	Local Traffic Operations Centers	Not Applicable
Orange County EOC	emergency traffic control request	Local Traffic Operations Centers	Not Applicable
Orange County EOC	evacuation information	Local Traffic Operations Centers	Not Applicable
Orange County EOC	incident information	Local Traffic Operations Centers	Not Applicable
Orange County EOC	incident response status	Local Traffic Operations Centers	Not Applicable
Orange County EOC	maint and constr resource request	Local Traffic Operations Centers	Not Applicable
Orange County EOC	resource request	Local Traffic Operations Centers	Not Applicable
Orange County EOC	threat information	Local Traffic Operations Centers	Not Applicable
Orange County EOC	transportation system status	Local Traffic Operations Centers	Not Applicable
Other Local Traffic Operations Centers	emergency traffic coordination	Local Traffic Operations Centers	Not Applicable
Other Local Traffic Operations Centers	incident information	Local Traffic Operations Centers	Not Applicable
Other Local Traffic Operations Centers	road network conditions	Local Traffic Operations Centers	Not Applicable
Other Local Traffic Operations Centers	traffic images	Local Traffic Operations Centers	Not Applicable
Pedestrian	crossing call	Local Traffic Signals	Planned
Private Traveler Information Systems	incident information.	Local Traffic Operations Centers	Not Applicable
Private Traveler Information Systems	traffic flow.	Local Traffic Operations Centers	Not Applicable
Private Traveler Information Systems	traffic images.	Local Traffic Operations Centers	Not Applicable
Rail Wayside Equipment	track status	Local Traffic Signals	Not Applicable
Raleigh Parking Management System	driver parking information	Driver	Not Applicable
RDU Parking Management System	driver parking information	Driver	Not Applicable
Triangle Region – Traffic Data Warehouse	archive requests	Local Traffic Operations Centers	Not Applicable
Triangle Region – Traffic Data Warehouse	archive status	Local Traffic Operations Centers	Not Applicable
Vehicle	driver updates	Driver	Not Applicable
Wake County EOC	alert notification	Local Traffic Operations Centers	Not Applicable
Wake County EOC	amber and silver alert_ud	Local Traffic Operations Centers	Not Applicable
Wake County EOC	emergency plan coordination	Local Traffic Operations Centers	Not Applicable
Wake County EOC	emergency traffic control request	Local Traffic Operations Centers	Not Applicable
Wake County EOC	evacuation information	Local Traffic Operations Centers	Not Applicable
Wake County EOC	incident information	Local Traffic Operations Centers	Not Applicable
Wake County EOC	incident response status	Local Traffic Operations Centers	Not Applicable
Wake County EOC	resource request	Local Traffic Operations Centers	Not Applicable
Wake County EOC	threat information	Local Traffic Operations Centers	Not Applicable
Wake County EOC	transportation system status	Local Traffic Operations Centers	Not Applicable