Arizona Statewide ITS Architecture 2023

Surface Street Management for Arizona Roles and Responsibilities

Stakeholder	Role and Responsibility
ADOT	Maintain ADOT field equipment.
	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.
	Perform traffic counts on roads to provide Highway Performance Monitoring System (HPMS) Data Collection for all functionally classified (FC) roads and provide current traffic counts.
	Gather information from stakeholders and Maintain Statewide ITS Architecture every 3–5 years or as needed.
	Manage traffic on ADOT 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.
	Exchange road network conditions from traffic sensors and surveillance data collection systems to other systems for distribution.
	Monitor traffic on highways, on–ramps, and ADOT controlled highways
	Report road closures and road restrictions to all agencies.
Arizona Cities and Towns	Collect and exchange traffic sensor and control data with other coordinating agencies.
	Provide traffic information to ADOT for preparation of state and federal road condition and congestion reports.
	Operate signal and traffic management system.
	Perform traffic counts on roads to provide Highway Performance Monitoring System (HPMS) Data Collection for all functionally classified (FC) roads and provide current traffic counts.
	Identify roadways that would benefit from ITS applications. Install traffic sensor control equipment, DMS, CCTV and other appropriate ITS equipment for operations.
Arizona Counties	Provide portable speed feedback equipment at the roadside to warn motorists if they are exceeding the speed limit
	Provide traffic information to ADOT for preparation of road condition and congestion reports.
	Collect and exchange traffic sensor and control data with other coordinating agencies.
	Provide 911 call information (PSAP) to law enforcement and other first responders
	Perform traffic counts on roads to provide Highway Performance Monitoring System (HPMS) Data Collection for all functionally classified (FC) roads and provide current traffic counts.
	Identify roadways that would benefit from ITS applications. Install traffic sensor control equipment, DMS, CCTV and other appropriate ITS equipment for operations.
AZTech	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.
	Monitor traffic on arterials.
	Report road closures to all agencies.
	Perform traffic counts on roads to provide Highway Performance Monitoring System (HPMS) Data Collection for all functionally classified (FC) roads and provide current traffic counts.
	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.
Maricopa Association of Governments (MAG)	Collect, process, store and disseminate data residing in an ITS archive to facilitate local, state, and federal government data reporting requirements
	Participate in AZTech activities, as appropriate.
	Gather information from stakeholders and Maintain MAG Regional ITS Architecture as needed.
	Perform traffic counts on roads to provide Highway Performance Monitoring System (HPMS) Data Collection for all functionally classified (FC) roads and provide current traffic counts.
	Input year round HPMS data real–time into ADOT's database.
	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between cities and/or counties.
	Provide requested information to service providers for dissemination to stakeholders.
Maricopa County Department of Transportation (MCDOT)	Participate in AZTech activities, as appropriate.
	Perform traffic counts on roads to provide Highway Performance Monitoring System (HPMS) Data Collection for all functionally classified (FC) roads and provide current traffic counts.
	Monitor traffic on arterials.
	Monitor and maintain ITS systems on County roadways.
	Coordinate road closures with other agencies and notify appropriate information service providers of road closure schedules.
	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between cities and/or counties.
	Provide requested information to service providers for dissemination to stakeholders.
	Update Information to ISP and Media Outlets (web sites, TV, etc.) and issue alerts.
Media	Update Information to ISP and Media Outlets (web sites, TV, etc.) and issue alerts.
	Disseminate information to the public through various communication media regarding traffic speeds, event planning, incidents, road closures and weather related information.
	Provide support from the media for traffic and incident data.
	Provide broadcast traveler 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.
	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between States and/or Districts.
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.
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	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.
	Exchange road network conditions from traffic sensor and surveillance data collection to other systems for distribution.
	Maintain field equipment.
	Report tribal road closures to all agencies.
	Monitor traffic on arterials.
	Develop, implement, and store emergency response plans and track progress through the incident by exchanging incident information and distributing response status to other emergency agencies.
	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.