Maintenance and Construction Operations (MCO) for Arizona Roles and Responsibilities

StakeholderRole and Responsibility
ADOTCordinate traffic, work zone, and incident clearance activity information with other public agencies responsible for traffic management off the state highway system.
Track and determine maintenance vehicle locations.
Maintain vehicle location systems for maintenance vehicles.
Monitor weather conditions and provide road weather conditions to other agencies.
Provide snowplow operations support and availability information for other agencies (DPS, Districts).
Poll road weather field equipment for operations and maintenance needs and maintain field equipment.
Maintain, install and replace field equipment (signals, DMS, CCTV, ramp meters and other).
Provide traffic and incident information to the public including work zone and incident information.
Perform winter maintenance activities and provide information about anticipated closures and impact to the roadway of maintenance to other management agencies such as traffic, emergency, transit, traveler information providers and other maintenance and construction agencies.
Maintain vehicles for roadway service patrol.
Maintain field equipment.
Monitor weather conditions and provide road weather conditions to other agencies.
Arizona Department of Public Safety (DPS)Contact state and local maintenance and operations departments to remove debris and accidents from the roadway.
Cordinate traffic, work zone, and incident clearance activity information with other public agencies responsible for traffic management off the state highway system.
National Oceanic Atmospheric Administration (NOAA)Gather information about weather conditions, roadway snows and closures.
Disseminate information to public agencies (ADOT, DPS, Counties, etc.) about current and forecast weather conditions.
Tribal Governments – StatewideRespond to requests from emergency and traffic management agencies regarding hazard removal, field equipment repair and other roadway maintenance.
Maintain centralized signal systems and software that monitors, analyzes and stores traffic sensor data.
Manage traffic on arterials using traffic signals including preemption for emergency vehicles and at highway–rail intersections
Perform winter maintenance activities and provide information about anticipated closures and impact to the roadway of maintenance to other management agencies such as traffic, emergency, transit, traveler information providers and other maintenance and construction agencies.
Maintain, install and replace field equipment (signals, DMS, CCTV, etc.).