2024 Arizona Statewide ITS Architecture

Surface Street Management for Arizona Roles and Responsibilities

Stakeholder	Role and Responsibility
ADOT	Report road closures and road restrictions to all 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.
	Ensure agency and contractor staff receive adequate and appropriate training in maintenance of ITS assets and systems.
	"Secure, monitor, maintain, and control all ADOT field equipment
	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.
	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
	Maintain ADOT field equipment.
	Collect and exchange traffic sensor and control data with other coordinating agencies.
Arizona Cities and Towns	Secure, monitor, maintain, and control all field equipment
	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.
	Operate signal and traffic management systems.
	Identify roadways that would benefit from ITS applications. Install traffic sensor control equipment, DMS, CCTV and other appropriate ITS equipment for operations.
	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.
	Ensure agency and contractor staff receive adequate and appropriate training in maintenance of ITS assets and systems.
	Maintain signal and traffic management systems.
Arizona Counties	Provide traffic information to ADOT for preparation of road condition and congestion reports.
	Operate signal and traffic management systems.
	Maintain signal and traffic management systems.
	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.
	Provide 911 call information (PSAP) to law enforcement and other first responders
	Provide portable speed feedback equipment at the roadside to warn motorists if they are exceeding the speed limit
	Collect and exchange traffic sensor and control data with other coordinating agencies.
	Secure, monitor, maintain, and control all field equipment
AZTech	Monitor traffic on arterials.
	Report road closures to all agencies.
	Collect and exchange traffic sensor and control data with other coordinating agencies.
	Manage traffic on arterials using traffic signals including preemption for emergency vehicles and at highway–rail intersections.
	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.
Maricopa Association of Governments (MAG)	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 MAG Regional ITS Architecture as needed.
	Input year round HPMS data real–time into ADOT's database.
	Provide requested information to service providers for dissemination to stakeholders.
	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between cities and/or counties.
	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.
Maricopa County Department of Transportation (MCDOT)	Coordinate road closures with other agencies and notify appropriate information service providers of road closure schedules.
	Participate in AZTech activities, as appropriate.
	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between cities and/or counties.
	Monitor and maintain ITS systems on County roadways.
	Provide requested information to service providers for dissemination to stakeholders.
	Monitor traffic on arterials.
	Update Information to ISP and Media Outlets (web sites, TV, etc.) and issue alerts.
	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.
Media	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.
	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.
	Coordinate and facilitate sharing of traffic, event, weather, incident and other information on corridors crossing the boundaries between States and/or Districts.
	Provide broadcast traveler information.
	Provide support from the media for traffic and incident data.
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	Secure, monitor, maintain, and control all field equipment
	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	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.
	Monitor traffic on arterials.
	Report tribal road closures to all agencies.
	Maintain field equipment.
	Exchange road network conditions from traffic sensor and surveillance data collection to other systems for distribution.
	Collect and exchange traffic sensor and control data with other coordinating agencies.
	Manage traffic on arterials using traffic signals including preemption for emergency vehicles and at highway–rail intersections.
	Secure, monitor, maintain, and control all field equipment