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VDOT Afton Mountain Fog Warning System

Status:

Existing

Definition:

The Fog Warning System on Afton Mountain consists of Fog Detection System, VMS, Strip Lighting along roadway and is currently under control of the VDOT NWRO TOC/ATMS.

Stakeholder:

VDOT NWRO Region

Architecture Flow Diagrams
which include VDOT Afton Mountain Fog Warning System:

• VDOT Afton Mountain Fog Warning System VDOT NWRO TOC/ATMS

Architecture Flows
to/from the VDOT Afton Mountain Fog Warning System:

VDOT Afton Mountain Fog Warning System VDOT NWRO TOC/ATMS

• environmental sensor data


• field equipment status


• roadway dynamic signage status


• traffic metering status

VDOT NWRO TOC/ATMSVDOT Afton Mountain Fog Warning System

• environmental sensors control

National ITS Architecture Subsystems
mapped to the VDOT Afton Mountain Fog Warning System:

• Archived Data User System Terminator
• Connected Vehicle Roadside Equipment Subsystem
• Data Distribution System Subsystem
• ITS Roadway Equipment Subsystem
• Traffic Management Center Subsystem
• Transportation Information Center Subsystem

National ITS Architecture Services
associated with VDOT Afton Mountain Fog Warning System:

• PS11 - Early Warning System -- (Graphic)
• TM06 - Traffic Information Dissemination -- (Graphic)
• TM08 - Traffic Incident Management System -- (Graphic)
• WX01 - Weather Data Collection -- (Graphic)
• WX02 - Weather Information Processing and Distribution -- (Graphic)

National ITS Architecture Functional Requirements
associated with VDOT Afton Mountain Fog Warning System:

TMC Environmental Monitoring

1. The traffic center shall remotely control environmental sensors that measure weather conditions including temperature, wind, humidity, precipitation, and visibility.
2. The traffic center shall be able to receive road condition information from weather service providers.