Arizona Statewide ITS Architecture 2023

Traffic Management for Arizona Roles and Responsibilities

Stakeholder	Role and Responsibility
ADOT	Monitor traffic on ADOT controlled highways and on–ramps.
	Gather information from stakeholders and Maintain Statewide ITS Architecture every 3–5 years or as needed.
	Use systems polling feature to provide fault data
	Coordinate road closure data and information with other agencies and notify appropriate information service providers of road closure schedules.
	Remotely monitor video images and surveillance data collected in secure areas on facilities and in traffic.
	Provide snowplow operations support and availability information for other agencies.
	Collect, process, store and disseminate weather information to travelers.
	Coordinate and implement traffic control response to incidents.
	Remotely control dynamic message signs for dissemination of traffic and other information to drivers.
	Collect and share information collected by the service patrol with traffic, maintenance and construction, and traveler information systems for incident management, incident notification to travelers and incident cleanup.
	Dispatch and track location of roadway service patrol vehicles to identified incident locations.
	Provide resources when requested by emergency management agencies.
	Share control of field equipment with ADOT Districts, other transportation and emergency agencies.
	Monitor traffic on highways, on–ramps, and ADOT controlled highways. Provide traffic and incident information to drivers. Share traffic information with other emergency and transportation agencies.
	Provide information on traffic conditions, environment conditions, weather and event information from the requested voice activated phone system.
	Install, operate, and maintain Connected Vehicle Roadside Equipment.
Arizona Department of Public Safety (DPS)	Receive public safety calls from cellular (wireless) telephones and forward to appropriate dispatch center.
	Be first responder to incidents (typically), as appropriate and serve as incident command (IC) during moderate to major traffic incidents, as appropriate.
	Request Emergency Services actions taken or needed.
	Dispatch state patrol vehicles.
	Coordinate road closures with other agencies and notify appropriate information service providers of road closure schedules.
	Respond to silent and audible alarms received from travelers in secure areas such as transit stops, rest areas and on buses.
	Collect and share information collected by the service patrol with traffic, maintenance and construction, and traveler information systems for incident management, incident notification to travelers and incident cleanup.
AZTech	Report road closures to all agencies.
	Manage traffic on arterials using traffic signals including preemption for emergency vehicles and at highway–rail intersections.
	Collect and exchange traffic sensor and control data with other coordinating agencies.
	Monitor traffic on arterials.
	Operate traffic detectors, other surveillance equipment, the supporting field equipment, and fixed–point to fixed–point communications to transmit the collected data back to the Traffic Management Subsystem.
Federal Highway Administration (FHWA)	Participate in project development and funding information, data collection and distribution to the traveling public
Maricopa County Department of Transportation (MCDOT)	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between cities, counties and state agencies.
	Monitor traffic on arterials.
	Coordinate road closures with other agencies and notify appropriate information service providers of road closure schedules.
	Monitor and maintain ITS systems on County roadways.
	Use systems polling feature to provide fault data for ITS field elements.
	Update Information to ISP and Media Outlets (web sites, TV, etc.) and issue alerts.
Media	Provide broadcast traveler information.
	Disseminate information to the public through various communication media regarding traffic speeds, event planning, incidents, road closures and weather related information.
	Gather information from traffic and emergency management agencies such as ADOT, DPS, Sheriff, Police and Fire regarding traffic, incidents, road closures, and weather related concerns for the public.
	Provide support from the media for traffic and incident data.
	Update Information to ISP and Media Outlets (web sites, TV, etc.) and issue alerts.
National Oceanic Atmospheric Administration (NOAA)	Disseminate information to public agencies (ADOT, DPS, Counties, etc.) about current and forecast weather conditions.
Private Information Service Providers	Collect, process, store and disseminate traffic and highway condition information to travelers, including incident information, detours and road closures, event information, recommended routes and current speeds on specific routes.
	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between States and/or Districts
Rail Organizations	Participate in regional discussions of rail and traffic movement.
	Exchange information with Arizona Statewide stakeholders that would aid in coordinating highway rail interface, timing plans for crossing busy arterials and a consistent flow of rail and traffic.
State of California	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between states.
State of Nevada	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between states.
State of New Mexico	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between states.
State of Utah	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between states.
Travelers	Utilize information provided by public agencies through DMS, smart phones, 511, etc... to re–route, telecommute or otherwise avoid traffic incidents and other emergency conditions.
	Receive traffic and event information from a regional and/or statewide information service providers.
Tribal Governments – Statewide	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between cities, counties and state agencies.
	Monitor traffic on arterials.
	Perform other "non–transportation related" public safety duties.
	Coordinate road closures with other agencies and notify appropriate information service providers of road closure schedules.
US Customs and Border Protection (CBP)	Provides updated wait times for reaching the primary inspection booth, the first point of contact with CBP when crossing into the Mexico / U.S. land borders for Arizona's six points of entry into the United States.