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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 dynamic signage status


• signal control status


• signal fault data


• traffic detector data


• traffic images


• traffic metering status

VDOT Big Walker Mountain TunnelVDOT Big Walker Mountain Tunnel Field Equipment

• roadway dynamic signage data


• signal control commands


• signal control device configuration


• signal control plans


• signal system configuration


• traffic detector control


• traffic metering control


• video surveillance control

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

• Connected Vehicle Roadside Equipment Subsystem
• ITS Roadway Equipment Subsystem

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

• TM24 - Tunnel Management (Tunnel Guide Lights for Speed Management) -- (Graphic)

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 incident detection and further analysis.
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.