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VDOT Afton Mountain Fog Warning System

Status:

Existing

Definition:

Fog Warning System on Afton Mountain. Consists of Fog Detection System, VMS, Strip Lighting along roadway. Currently under control of Verona Residency.

Stakeholder:

VDOT NWRO Region

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

• VDOT Afton Mountain Fog Warning System VDOT Afton Mountain Sensor Stations (ESS)
• VDOT Afton Mountain Fog Warning System VDOT Staunton TOC

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

VDOT Afton Mountain Fog Warning System VDOT Afton Mountain Sensor Stations (ESS)

• environmental sensors control

VDOT Afton Mountain Fog Warning System VDOT Staunton TOC

• environmental sensor data


• field device status


• freeway control status


• roadway information system status

VDOT Afton Mountain Sensor Stations (ESS)VDOT Afton Mountain Fog Warning System

• environmental sensor data

VDOT Staunton TOCVDOT Afton Mountain Fog Warning System

• environmental sensors control

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

• Information Service Provider Subsystem
• Roadway Subsystem
• Traffic Management Subsystem

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

• ATMS06 - Traffic Information Dissemination -- (Graphic)
• ATMS08 - Traffic Incident Management System -- Graphic 1 2
• EM07 - Early Warning System -- Graphic 1 2
• MC03 - Road Weather Data Collection -- (Graphic)
• MC04 - Weather Information Processing and Distribution -- (Graphic)

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

TMC Environmental Monitoring

1. The center shall remotely control environmental sensors that measure weather conditions including temperature, wind, humidity, precipitation, and visibility.
2. The center shall provide weather and road condition information to weather service providers and center personnel.
3. The center shall respond to control data from center personnel regarding environmental sensor control and weather data collection and processing.