VDOT Afton Mountain Fog Warning System

Status: Existing

Description: 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 sensor 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)
• TM06 - Traffic Information Dissemination -- (Graphic)
• TM06 - Traffic Information Dissemination -- (Graphic)
• TM08 - Traffic Incident Management System -- (Graphic)
• TM08 - Traffic Incident Management System -- (Graphic)
• TM08 - Traffic Incident Management System -- (Graphic)
• WX01 - Weather Data Collection -- (Graphic)
• WX01 - Weather Data Collection -- (Graphic)
• WX01 - Weather Data Collection -- (Graphic)
• WX01 - Weather Data Collection -- (Graphic)
• WX02 - Weather Information Processing and Distribution -- (Graphic)
• WX02 - Weather Information Processing and Distribution -- (Graphic)