Nassau County Traffic Image Dissemination
Project Description: This project will allow Nassau County to provide CCTV images to the traveling public through the media or potentially directly through a traveler information website.
Project Status: Ongoing
Project Stakeholders:
Interconnect and Flow
Diagrams
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Project Information Flows:
Project Functional Requirements (Element - Functional Object):
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Nassau County Field Equipment - Field System Executive
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1: The field device software shall include an operating system kernel and executive functions that manage the overall device software configuration and operation and support configuration management, computer resource management, and govern software installation and upgrade.
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2: The field device shall allow its device software to be installed or upgraded by a remote center.
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3: The field device shall allow its device software to be installed or updated by personnel in the field.
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4: The field device shall allow its software configuration to be revised by a remote center.
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5: The field device shall allow its software configuration to be revised by personnel in the field.
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Nassau County Field Equipment - Field System Monitoring and Diagnostics
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1: The field device shall monitor the operating conditions of itself and other field devices under its control in order to determine if any operational problems are occurring.
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2: The field device shall perform diagnostic tests in order to determine operational issues with itself or other field devices under its control.
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3: The field device shall provide the status data and diagnostic information to field personnel.
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4: The field device shall provide the status data and diagnostic information to remote centers.
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Nassau County Field Equipment - Roadway Basic Surveillance
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2: The field element shall collect, process, and send traffic images to the center for further analysis and distribution.
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4: The field element shall return sensor and CCTV system operational status to the controlling center.
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5: The field element shall return sensor and CCTV system fault data to the controlling center for repair.
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Nassau County Traffic Signal System - Center Field Equipment Management
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1: The center shall collect the status and fault data from field equipment, such as traffic, infrastructure, and environmental sensors, highway advisory radio and dynamic message signs, automated roadway treatment systems, barrier and safeguard systems, cameras, traffic signals and override equipment, ramp meters, short range communications equipment, security sensors and surveillance equipment, etc..
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2: The center shall create a cohesive view of field equipment repair needs based upon the status and fault information collected.
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3: The center shall provide control commands, configuration updates, software installation, or software upgrades for field devices under management of the center.
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4: The center shall request maintenance actions of the center responsible for field equipment maintenance.
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5: The center shall allow center personnel to manage the maintenance of field equipment.
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Nassau County Traffic Signal System - TMC Basic Surveillance
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2: The center shall monitor, analyze, and distribute traffic images from CCTV systems under remote control of the center.
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5: The center shall respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution.
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7: The center shall remotely control devices to detect traffic.
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Nassau County Traffic Signal System - TMC Traffic Information Dissemination
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5: The center shall retrieve locally stored traffic information, including current and forecasted traffic information, road and weather conditions, traffic incident information, information on diversions and alternate routes, closures, and special traffic restrictions (lane/shoulder use, weight restrictions, width restrictions, HOV requirements), and the definition of the road network itself.
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6: The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, parking facilities, and traveler information providers.
Standards:
Project Operational Concepts:
Last Updated 5/24/2024
