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City of Chesapeake TMC

Status:

Existing

Definition:

The City of Chesapeake currently operates the R. Wayne Harrell Traffic Management Center (TMC), located on the third floor of City Hall, in the Public Works Department. The TMC serves as the command and control center for the Chesapeake Traffic Management System (TMS). From the TMC, Traffic Engineering staff members operate and manage the City’s TMS which consists of the traffic signal system and CCTV cameras. The TMC currently consists of two workstations, four Closed-Circuit Television Monitors (CCTV), and one large flat-panel display.

Stakeholder:

City of Chesapeake Public Works Department

Architecture Flow Diagrams
which include City of Chesapeake TMC:

• City of Chesapeake TMC Centerville Turnpike Drawbridge
• City of Chesapeake TMC City of Chesapeake TMC Field Equipment
• City of Chesapeake TMC City of Norfolk STC
• City of Chesapeake TMC City of Suffolk TOC
• City of Chesapeake TMC City of Virginia Beach TMC
• City of Chesapeake TMC Dominion Boulevard Steel Drawbridge
• City of Chesapeake TMC Gilmerton Drawbridge
• City of Chesapeake TMC Hampton Roads Local Public Safety Centers
• City of Chesapeake TMC Media Outlets
• City of Chesapeake TMC Statewide Video Distribution Services
• City of Chesapeake TMC VDOT ERO TOC/ATMS
• City of Chesapeake TMC VDOT RTIMIS

Architecture Flows
to/from the City of Chesapeake TMC:

City of Chesapeake TMC City of Chesapeake TMC Field Equipment

• environmental sensors control


• signal control commands


• signal control device configuration


• signal control plans


• signal system configuration


• traffic detector control


• video surveillance control

City of Chesapeake TMC City of Norfolk STC

• device control request


• device data


• device status


• emergency traffic coordination


• resource deployment status


• resource request


• traffic images

City of Chesapeake TMC City of Suffolk TOC

• device control request


• device data


• device status


• emergency traffic coordination


• resource deployment status


• resource request


• traffic images

City of Chesapeake TMC City of Virginia Beach TMC

• device control request


• device data


• device status


• emergency traffic coordination


• resource deployment status


• traffic images

City of Chesapeake TMC Hampton Roads Local Public Safety Centers

• emergency plan coordination


• resource request


• traffic images

City of Chesapeake TMC Media Outlets

• traffic information for media


• traveler information for media

City of Chesapeake TMC VDOT ERO TOC/ATMS

• device control request


• device data


• device status


• emergency traffic coordination


• incident information


• resource deployment status


• resource request


• road network conditions

City of Chesapeake TMC VDOT RTIMIS

• emergency traffic control information


• incident information


• incident response status

Centerville Turnpike DrawbridgeCity of Chesapeake TMC

• multimodal crossing status

City of Chesapeake TMC Field EquipmentCity of Chesapeake TMC

• environmental sensor data


• right-of-way request notification


• signal control status


• signal fault data


• traffic detector data


• traffic images

City of Norfolk STCCity of Chesapeake TMC

• device control request


• device data


• device status


• emergency traffic control request


• emergency traffic coordination


• resource request


• traffic images

City of Suffolk TOCCity of Chesapeake TMC

• emergency traffic coordination


• resource deployment status


• traffic images


• transportation system status

City of Virginia Beach TMCCity of Chesapeake TMC

• device control request


• device data


• device status


• emergency traffic coordination


• resource deployment status


• traffic images


• transportation system status

Dominion Boulevard Steel DrawbridgeCity of Chesapeake TMC

• multimodal crossing status

Gilmerton DrawbridgeCity of Chesapeake TMC

• multimodal crossing status

Hampton Roads Local Public Safety CentersCity of Chesapeake TMC

• emergency plan coordination


• resource request

Media OutletsCity of Chesapeake TMC

• external reports

Statewide Video Distribution ServicesCity of Chesapeake TMC

• alternate mode information


• emergency traveler information


• incident information


• parking information


• road network conditions


• traffic images


• transit service information

VDOT ERO TOC/ATMSCity of Chesapeake TMC

• device control request


• device data


• device status


• emergency traffic coordination


• incident information


• resource deployment status


• resource request


• road network conditions


• traffic images


• transportation system status

VDOT RTIMISCity of Chesapeake TMC

• emergency traffic control request


• evacuation information


• incident information


• incident response status

National ITS Architecture Subsystems
mapped to the City of Chesapeake TMC:

• Archived Data User System Terminator
• Data Distribution System Subsystem
• Maint and Constr Management Center Subsystem
• Traffic Management Center Subsystem
• Transit Vehicle OBE Subsystem
• Transportation Information Center Subsystem

National ITS Architecture Services
associated with City of Chesapeake TMC:

• MC05 - Roadway Maintenance and Construction - Cities -- (Graphic)
• MC06 - Work Zone Management - Cities -- (Graphic)
• TM01 - Infrastructure-Based Traffic Surveillance - City of Chesapeake TMC -- (Graphic)
• TM03 - Surface Street Control - City of Chesapeake TMC -- (Graphic)
• TM06 - Traffic Information Dissemination - City of Chesapeake TMC -- (Graphic)
• TM07 - Regional Traffic Management (PSAP I-64 CIP) -- (Graphic)
• TM18 - Drawbridge Management - City of Chesapeake -- (Graphic)
• TM19 - Roadway Closure Management - Cities -- (Graphic)

National ITS Architecture Functional Requirements
associated with City of Chesapeake TMC:

TMC Incident Detection

1. The center shall collect and store traffic flow and image data from the field equipment to detect and verify incidents.
2. The center shall provide video and traffic sensor control commands to the field equipment to detect and verify incidents.
3. The center shall provide road network conditions and traffic images to emergency management centers to support the detection, verification, and classification of incidents.
4. The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters and traveler information service providers.
5. The center shall receive inputs from the Alerting and Advisory System concerning the possibility or occurrence of severe weather, terrorist activity, or other major emergency, including information provided by the Emergency Alert System.
6. The center shall exchange incident and threat information with emergency management centers as well as maintenance and construction centers; including notification of existence of incident and expected severity, location, time and nature of incident.

TMC Traffic Information Dissemination

1. The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, parking facilities, and traveler information providers.
2. 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.

TMC Regional Traffic Management

1. The center shall exchange traffic information with other traffic management centers including incident information, congestion data, traffic data, signal timing plans, and real-time signal control information.