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VDOT Big Walker Mountain Tunnel Field Equipment

Status:

Existing

Definition:

These devices are typically located along the roadside and are controlled by operators in the TOC which aids them in monitoring and managing traffic conditions. The field equipment that aids operators in performing their functions are: Traffic Signal Systems CCTV Cameras and VMS.

Stakeholder:

VDOT SWRO Region

Architecture Flow Diagrams
which include VDOT Big Walker Mountain Tunnel Field Equipment:

• VDOT Big Walker Mountain Tunnel Field Equipment VDOT Big Walker Mountain Tunnel

Architecture Flows
to/from the VDOT Big Walker Mountain Tunnel Field Equipment:

VDOT Big Walker Mountain Tunnel Field Equipment VDOT Big Walker Mountain Tunnel

• roadway information system status


• signal control status


• traffic flow


• traffic images

VDOT Big Walker Mountain TunnelVDOT Big Walker Mountain Tunnel Field Equipment

• roadway information system data


• signal control data


• traffic sensor control


• vehicle signage data


• video surveillance control

National ITS Architecture Subsystems
mapped to the VDOT Big Walker Mountain Tunnel Field Equipment:

• Roadway Subsystem

National ITS Architecture Services
associated with VDOT Big Walker Mountain Tunnel Field Equipment:

• ATMS08 - Traffic Incident Management System -- Graphic 1 2

National ITS Architecture Functional Requirements
associated with VDOT Big Walker Mountain Tunnel Field Equipment:

Roadway Incident Detection

1. The field element shall collect, process, and send traffic images to the center for further analysis and distribution.
2. The field element's video devices shall be remotely controlled by a traffic management center.
3. The field element shall provide operational status and fault data for the incident detection devices to the traffic management center.