Cincinnati (OKI) Regional ITS Architecture


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Operational Concepts

(PDF Version)

Stakeholder: ODOT

Transportation Service Roles/Responsibilities Status

Surface Street Management for OKI ITS

Collect traffic data from the traffic signal system sensors. Existing
Operate traffic signal systems on state, county-owned and/or municipal arterials. Existing
Coordinate highway-rail intersection signal adjustments. Planned
Provide signal preemption for emergency vehicles. Planned

Freeway Management for OKI ITS

Monitor surveillance cameras on the highways. Existing
Operate freeway traffic information devices (e.g., DMS and HAR equipment) Existing
Control highway traffic with ramp meters and lane control signals, including reversible lanes. Planned
Determine travel times on the highways. Planned
Monitor traffic sensors on the highways. Planned
Provide traffic information reports to other agencies. Planned

Incident Management for OKI ITS

Adjust signal timing patterns in response to incidents. Existing
Coordinate maintenance resource response to incidents within the state's jurisdiction with local public safety agencies. Existing
Perform network surveillance for detection and verification of incidents and send traffic/incident information and traffic images to local and county public safety agencies and emergency operation centers. Existing
Provide incident information to other traffic management and public safety agencies. Existing
Provide incident information to travelers via traffic information devices (e.g., dynamic message signs) on state operated roadways and through local or regional information service providers and website. Existing
Provide maintenance resources in response to incidents on state operated roadways. Planned

Electronic Toll Collection for OKI ITS

Operate a customer service center to process toll transactions and handle violations processing. Planned
Operate toll collection equipment on toll roads Planned
Provide customer account information via a customer service information portal (e.g., a website). Planned

Maintenance and Construction for OKI ITS

Perform maintenance on ITS field equipment owned by ODOT. Existing
Coordinate maintenance and construction activities with county and city maintenance and other ODOT district construction and maintenance sections. Planned
Coordinate maintenance resources for incidents with county and city maintenance and construction operations; and with other ODOT districts. Planned
Distribute maintenance and construction work plan information, and asset restrictions to regional traffic agencies; regional transit providers; regional emergency services; the media; private rail operations; and multimodal service providers Planned
Maintenance vehicles provide automated maintenance status information to district roadway maintenance and construction operations, as well as the district equipment repair facility. Planned
Manage work zones for all district maintenance and construction activities and monitor work zone safety with district field equipment and vehicles. Planned
Provide maintenance and construction information to regional traffic operations, and to the traveling public through portable DMS devices. Planned
Receive AVL information from ODOT district maintenance vehicles. Planned
Receive maintenance resource requests for incident response from county fire/EMS/sheriff, local police/fire/EMS, Ohio State Highway Patrol and 911 emergency call centers. Planned
Receive maintenance resource requests for incident response from the regional county and city traffic management systems. Planned
Receive road weather information from field equipment. Planned

Traveler Information for OKI ITS

Collect traffic and incident information, and provide it to the media and private travelers. Existing
Provide maintenance and construction information to the traveling public through roadside equipment (e.g., DMS and HAR devices) and traveler information systems. Existing

Archived Data Systems for OKI ITS

Share archived traffic and traveler information with regional planning organizations. Planned

Last updated: 03-11-08