H-GAC ITS Architecture

Skip to main content

Inventory

Each stakeholder agency, company, or group owns, operates, maintains or plans ITS systems in the Houston–Galveston region. The ITS architecture inventory is a list of elements that represent all existing and planned ITS systems in a region as well as non–ITS systems that provide information to or get information from the ITS systems.

Element	Description
Archived Data User	Users that request information from the data archive systems.
Automated Vehicle	Vehicles with connected on board systems that communicate to ITS devices.
Brazoria County CCTV Cameras	CCTV cameras operated by Brazoria County.
Brazoria County Freight Signal Priority	Signal priority dedicated to commercial vehicles within Brazoria County.
Brazoria County Signal Preemption	Signal preemption dedicated to Brazoria County emergency service providers.
Brazoria County TMC	Brazoria County traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
Brazoria County Traffic Signals	Traffic signal system operated by Brazoria County.
City of Baytown Traffic Signals	Traffic signal system operated by the City of Baytown.
City of Conroe Traffic Signals	Traffic signal system operated by the City of Conroe.
City of Galveston CCTV Cameras	CCTV cameras operated by the City of Galveston.
City of Galveston DMS	City of Galveston dynamic message signs (DMS) operated for traffic information dissemination.
City of Galveston Parking Area Equipment	Sensors and detectors that provide parking systems with parking availability. Sensors can detect if a parking spot is taken or not.
City of Galveston Parking Management	Parking management for surface parking, parking lots, and parking garages within the City of Galveston.
City of Galveston Signal Preemption	Signal preemption dedicated to the City of Galveston emergency service providers.
City of Galveston TMC	City of Galveston traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
City of Galveston Traffic Signals	Traffic signal system operated by the City of Galveston.
City of Houston CCTV Cameras	CCTV cameras operated by the City of Houston.
City of Houston Data Archive	The City of Houston data archive for transportation related data.
City of Houston DMS	City of Houston dynamic message signs (DMS) operated for traffic information dissemination.
City of Houston Emergency Vehicles	Emergency vehicles within the City of Houston, consisting of police, fire, and EMS.
City of Houston Field System Monitoring	Maintenance and construction field devices that monitor field conditions.
City of Houston Information Center	Traveler information for vehicles within the City of Houston.
City of Houston ITS Detectors	ITS roadway detection.
City of Houston Maintenance and Construction	Maintenance and construction department for the City of Houston. Responsible for the oversight of construction and maintenance.
City of Houston Maintenance Vehicles	Maintenance and construction vehicles for the City of Houston.
City of Houston Parking Area Equipment	Sensors and detectors that provide parking systems with parking availability. Sensors can detect if a parking spot is taken or not.
City of Houston Parking Management	Parking management for surface parking, parking lots, and parking garages within the City of Houston.
City of Houston Public Safety Dispatch/EOC	Emergency management center for the City of Houston. Responsible for coordination of local resources during a disaster or large scale event.
City of Houston Rail Crossing	Standard at grade rail crossing within the City of Houston.
City of Houston RWIS	City of Houston road weather information system sensors to monitor road conditions.
City of Houston Signal Preemption	Signal preemption dedicated to the City of Houston emergency service providers.
City of Houston Speed Warning	City of Houston field equipment that monitors vehicles speeds and sends a visual or other type of warning to the driver if speeds are excessive.
City of Houston TMC	City of Houston traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
City of Houston Tow and Go Service Patrol	H–GAC freeway safety service patrol dispatch.
City of Houston Traffic Signals	Traffic signal system operated by the City of Houston.
City of Pearland CCTV Cameras	CCTV cameras operated by the City of Pearland.
City of Pearland Signal Preemption	Signal preemption dedicated to the City of Pearland emergency service providers.
City of Pearland TMC	City of Houston traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
City of Pearland Traffic Signals	Traffic signal system operated by the City of Pearland.
City of Sugar Land CCTV Cameras	CCTV cameras operated by the City of Sugar Land.
City of Sugar Land Signal Preemption	Signal preemption dedicated to the City of Sugar Land emergency service providers.
City of Sugar Land TMC	City of Sugar Land traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
City of Sugar Land Traffic Signals	Traffic signal system operated by the City of Sugar Land.
Commercial Vehicle Dispatch Center	Commercial vehicle operations center. Responsible for notifying commercial vehicles of hazards or weather that affect commercial vehicle routes.
Commercial Vehicle Information Services	Traveler information for commercial vehicle operators.
Commercial Vehicle Parking Management Center	Parking management for commercial vehicles. Notify commercial vehicle drivers of available lots.
Commercial Vehicles	Privately owned commercial vehicles traveling within the Region.
Driver	Operators of vehicles.
Fort Bend County TMC	Fort Bend County traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
Fort Bend County Traffic Signals	Traffic signal system operated by Fort Bend County.
Fort Bend County Transit Buses	Fort Bend County transit vehicles.
Fort Bend County Transit Data Archive	Fort Bend County data archive for transit data.
Fort Bend County Transit Dispatch Center	Fort Bend County transit operations center where buses depart.
Fort Bend County Transit Parking Area Equipment	Parking provided by Fort Bend County for transit users.
Fort Bend County Transit Parking Management	Parking management for surface parking, parking lots, and parking garages within Fort Bend County.
Fort Bend County Transit Passenger Counters	Fort Bend County bus passenger counter system.
Fort Bend Transit Trip Planning	Online routing application to assist travelers in developing a customized transit plan for an upcoming trip.
Harris County CCTV Cameras	CCTV cameras operated by Harris County.
Harris County Data Warehouse	Harris County data archive for transportation related data.
Harris County DMS	Harris County dynamic message signs operated for traffic information dissemination.
Harris County Emergency Vehicles	Emergency vehicles within the City of Houston, consisting of police, fire, and EMS.
Harris County Field System Monitoring	Maintenance and construction field devices that monitor field conditions.
Harris County Flood Control District Center	Flood control district for Harris County. Responsible for flood monitoring and weather monitoring.
Harris County Flood Control District RWIS	Sensors that detect high waters. Alert staff of high water locations.
Harris County Freight Signal Priority	Signal priority dedicated to commercial vehicles within Harris County.
Harris County ITS Detectors	ITS roadway detection.
Harris County MAP Service Patrol	Harris County freeway safety service patrol dispatch.
Harris County Public Safety Dispatch/EOC	Emergency management center for Harris County. Responsible for coordination of local resources during a disaster or large scale event.
Harris County Public Works	Public works department for Harris County, handles the transportation system operated by Harris County.
Harris County Public Works Vehicles	Vehicles owned and operated by Harris County.
Harris County Rail Crossing	Standard at grade rail crossing within Harris County.
Harris County Signal Preemption	Signal preemption dedicated to Harris County emergency service providers.
Harris County Speed Warning	Harris County field equipment that monitors vehicles speeds and sends a visual or other type of warning to the driver if speeds are excessive.
Harris County TMC	Harris County traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
Harris County Traffic Signals	Traffic signal system operated by Harris County.
Harris County Transit Buses	Harris County transit vehicles.
Harris County Transit Data Archive	Harris County data archive for transit data.
Harris County Transit Dispatch Center	Harris County transit operations center where buses depart.
Harris County Transit Parking Area Equipment	Parking provided by Harris County for transit users.
Harris County Transit Parking Management	Parking management for surface parking, parking lots, and parking garages within Harris County.
Harris County Transit Passenger Counters	Harris County bus passenger counter system.
Harris County Transit Trip Planning	Online routing application to assist travelers in developing a customized transit plan for an upcoming trip.
HCTRA CCTV Cameras	CCTV cameras operated by HCTRA.
HCTRA DMS	HCTRA dynamic message signs (DMS) operated for traffic information dissemination.
HCTRA TMC	HCTRA traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
HCTRA Toll Collection	HCTRA roadway equipment that scans toll tags and processes toll payments.
HCTRA Toll Payment Center	HCTRA toll operations center where toll payments are processed.
Houston METRO Buses	Houston METRO transit vehicles.
Houston METRO Data Archive	Houston METRO data archive for transportation related data.
Houston METRO Dispatch Center	Houston METRO transit operations center where buses depart.
Houston METRO HOV Lane Control	High occupancy vehicle (HOV) lane equipment managed by Houston METRO.
Houston METRO HOV Lane TMC	Traffic Management and lane management for high occupancy vehicle (HOV) lanes operated by Houston METRO.
Houston METRO Parking Area Equipment	Parking provided by Houston METRO for transit users.
Houston METRO Parking Management	Parking management for surface parking and parking lots for Houston METRO Park and Ride.
Houston METRO Passenger Counters	Houston METRO bus passenger counter system.
Houston METRO Reversible Lanes	Lanes managed by Houston METRO in which traffic may travel in either direction depending on traffic conditions or time of day.
Houston METRO Toll Collection	Houston METRO roadway equipment that scans toll tags and processes toll payments.
Houston METRO Toll Payment Center	Houston METRO toll operations center where toll payments are processed.
Houston METRO Traveler Information Communications	Provides vehicles with HOV Lane information.
Houston METRO Trip Planning	Online routing application to assist travelers in developing a customized transit plan for an upcoming trip.
League City CCTV Cameras	CCTV cameras operated by League City.
League City TMC	League City traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
League City Traffic Signals	Traffic signal system operated by League City.
Local Agencies CCTV Cameras	CCTV cameras operated by local agencies.
Local Agencies Data Archive	Local agency data archive for transportation related data.
Local Agencies DMS	Local Agencies dynamic message signs (DMS) operated for traffic information dissemination.
Local Agencies Emergency Vehicles	Emergency vehicles within Local Agencies, consisting of police, fire, and EMS.
Local Agencies Field System Monitoring	Maintenance and construction field devices that monitor field conditions.
Local Agencies Information Center	Traveler information for vehicles within Local Agencies.
Local Agencies ITS Detectors	ITS roadway detection owned by Local Agencies.
Local Agencies Maintenance and Construction	Maintenance and construction department for Local Agencies. Responsible for the oversight of construction and maintenance.
Local Agencies Maintenance Vehicles	Maintenance and construction vehicles for Local Agencies.
Local Agencies Parking Area Equipment	Sensors and detectors that provide parking systems with parking availability. Sensors can detect if a parking spot is taken or not.
Local Agencies Parking Management	Parking management for surface parking, parking lots, and parking garages within Local Agencies.
Local Agencies Public Safety Dispatch/EOC	Emergency management center for Local Agencies. Responsible for coordination of local resources during a disaster or large scale event.
Local Agencies Rail Crossing	Standard at grade rail crossing within Local Agencies.
Local Agencies RWIS	Local Agencies road weather information system sensors to monitor road conditions.
Local Agencies Signal Control	Local Agency field elements that monitor and control signalized intersections.
Local Agencies Signal Preemption	Signal preemption dedicated to Local Agencies emergency service providers.
Local Agencies Speed Warning	Local Agencies field equipment that monitors vehicles speeds and sends a visual or other type of warning to the driver if speeds are excessive.
Local Agencies TMC	Local Agencies traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
Local Agencies Toll Collection	Local Agencies roadway equipment that scans toll tags and processes toll payments.
Local Agencies Toll Payment Center	Local Agencies toll operations center where toll payments are processed.
Local Agencies Traffic Monitoring	Local Agencies roadside equipment that provides traffic monitoring equipment through connected vehicles.
Local Agencies Traffic Signals	Local Agencies traffic signals.
Local Agencies Wrong Way Driver Detection	Local Agencies electronic warning signs, field sensors, or other devices used in the operation of wrong–way vehicle detection and warning.
Local Broadcast Media	Local media that provide traffic or incident information to the public.
Missouri City CCTV Cameras	CCTV cameras operated by Missouri City.
Missouri City Signal Preemption	Signal preemption dedicated to Missouri City emergency service providers.
Missouri City TMC	Missouri City traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
Missouri City Traffic Signals	Traffic signal system operated by Missouri City.
National Weather Service	National Weather Services that provides weather information to travelers.
Other Transit Management Centers	Other transit management centers in the region that require service coordination
Pedestrian	A person walking along a road.
Personal Information Device	A device that provides travelers with traveler information.
Texas City Traffic Signals	Traffic signal system operated by Texas City.
The Woodlands Regional Transit Authority Buses	The Woodlands Regional Transit Authority transit vehicles.
The Woodlands Regional Transit Authority Data Archive	The Woodlands Regional Transit Authority data archive for transportation related data.
The Woodlands Regional Transit Authority Dispatch Center	The Woodlands Regional Transit Authority transit operations center where buses depart.
The Woodlands Regional Transit Authority Parking Area Equipment	Parking provided by The Woodlands Regional Transit Authority for transit users.
The Woodlands Regional Transit Authority Parking Management	Parking management for surface parking and parking lots for The Woodlands Regional Transit Authority.
The Woodlands Regional Transit Authority Passenger Counters	The Woodlands Regional Transit Authority bus passenger counter system.
The Woodlands Regional Transit Authority Trip Planning	Online routing application to assist travelers in developing a customized transit plan for an upcoming trip on The Woodlands Regional Transit Authority.
The Woodlands Traffic Signals	Traffic signal system operated by The Woodlands.
Transit Traveler Fare Management	Regional transit traveler fare management system.
Traveler	User of the transportation network.
TxDOT Beaumont CCTV Cameras	CCTV cameras operated by the TxDOT Beaumont District.
TxDOT Beaumont Data Warehouse	TxDOT Beaumont District data archive for transportation related data.
TxDOT Beaumont DMS	TxDOT Beaumont District dynamic message signs (DMS) operated for traffic information dissemination.
TxDOT Beaumont Emergency Management	TxDOT Beaumont District section that handles emergency transportation operations and communications.
TxDOT Beaumont Field System Monitoring	TxDOT Beaumont District maintenance and construction field devices that monitor field conditions.
TxDOT Beaumont Information Center	Traveler information for vehicles within the TxDOT Beaumont District.
TxDOT Beaumont ITS Detectors	TxDOT Beaumont District ITS roadway detection.
TxDOT Beaumont Maintenance and Construction	Maintenance and construction section for TxDOT Beaumont District. Responsible for the oversight of construction and maintenance.
TxDOT Beaumont Maintenance Vehicles	Maintenance and construction vehicles for TxDOT Beaumont District.
TxDOT Beaumont Queue Warning	TxDOT Beaumont District queue warning systems that detect queuing and relay information to ITS devices.
TxDOT Beaumont Rail Crossing	Standard at grade rail crossing within the TxDOT Beaumont District.
TxDOT Beaumont RWIS	TxDOT Beaumont road weather information system sensors to monitor road conditions.
TxDOT Beaumont Speed Warning	TxDOT Beaumont District field equipment that monitors vehicles speeds and sends a visual or other type of warning to the driver if speeds are excessive.
TxDOT Beaumont TMC	TxDOT Beaumont District traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
TxDOT Beaumont Traffic Signals	TxDOT Beaumont District traffic signals.
TxDOT Beaumont Truck Parking Availability Sign	TxDOT Beaumont District truck parking availability signs that provide truck drivers with information regarding available parking spaces.
TxDOT Beaumont Variable Speed Limits	TxDOT Beaumont District dynamic speed limit signs that adjust speed limits in response to changing conditions.
TxDOT Beaumont Wrong Way Driver Detection	TxDOT Beaumont District electronic warning signs, field sensors, or other devices used in the operation of wrong–way vehicle detection and warning.
TxDOT Houston CCTV Cameras	CCTV cameras operated by the TxDOT Houston District.
TxDOT Houston Data Warehouse	TxDOT Houston District data archive for transportation related data.
TxDOT Houston DMS	TxDOT Houston District dynamic message signs (DMS) operated for traffic information dissemination.
TxDOT Houston Emergency Management	TxDOT Houston District section that handles emergency transportation operations and communications.
TxDOT Houston Field System Monitoring	TxDOT Houston District maintenance and construction field devices that monitor field conditions.
TxDOT Houston Information Center	Traveler information for vehicles within TxDOT Houston District.
TxDOT Houston ITS Detectors	TxDOT Houston District ITS roadway detection.
TxDOT Houston Maintenance and Construction	Maintenance and construction section for TxDOT Houston District. Responsible for the oversight of construction and maintenance.
TxDOT Houston Maintenance Vehicles	Maintenance and construction vehicles for TxDOT Houston District.
TxDOT Houston Queue Warning	TxDOT Houston District queue warning systems that detect queuing and relay information to ITS devices.
TxDOT Houston Rail Crossing	Standard at grade rail crossing within the TxDOT Houston District.
TxDOT Houston RWIS	TxDOT Houston District road weather information system sensors to monitor road conditions.
TxDOT Houston Signal Preemption	Signal preemption dedicated to emergency service providers.
TxDOT Houston Speed Warning	TxDOT Houston field equipment that monitors vehicles speeds and sends a visual or other type of warning to the driver if speeds are excessive.
TxDOT Houston TMC	TxDOT Houston traffic management center that can operate city roadside equipment including traffic signal system and traffic control and management.
TxDOT Houston Toll Collection	TxDOT Houston roadway equipment that scans toll tags and processes toll payments.
TxDOT Houston Toll Payment Center	TxDOT Houston toll operations center where toll payments are processed.
TxDOT Houston Traffic Metering	Traffic management that uses signals to control the flow of vehicles entering a freeway.
TxDOT Houston Traffic Signals	Traffic signal system operated by TxDOT Houston.
TxDOT Houston Truck Parking Availability Sign	TxDOT Houston truck parking availability signs that provide truck drivers with information regarding available parking spaces.
TxDOT Houston Variable Speed Limits	Dynamic signs that adjust speed limits in response to changing conditions.
TxDOT Houston Wrong Way Driver Detection	TxDOT Houston electronic warning signs, field sensors, or other devices used in the operation of wrong–way vehicle detection and warning.
Vehicles	User of the transportation system.
Vulnerable Road User	A person within the transportation network that is not protected by a vehicle.