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VDOT Statewide Environmental Sensor Stations (ESS)

Status:

Existing

Definition:

This element represents all of the ESS throughout the Commonwealth of VA that obtain environmental conditions information from sensors along primary roadways. Climatic conditions measured include Air Temperature, Relative Humidity, Wind Speed and Direction, Precipitation Type and Intensity, Visibility/Air Quality.

Stakeholder:

VDOT Central Office

Architecture Flow Diagrams
which include VDOT Statewide Environmental Sensor Stations (ESS):

• VDOT Statewide Environmental Sensor Stations (ESS) Clarus
• VDOT Statewide Environmental Sensor Stations (ESS) VDOT ESS Weather Platform
• VDOT Statewide Environmental Sensor Stations (ESS) VDOT TEOC

Architecture Flows
to/from the VDOT Statewide Environmental Sensor Stations (ESS):

VDOT Statewide Environmental Sensor Stations (ESS) Clarus

• environmental sensor data

VDOT Statewide Environmental Sensor Stations (ESS) VDOT ESS Weather Platform

• environmental sensor data

VDOT Statewide Environmental Sensor Stations (ESS) VDOT TEOC

• transportation weather information

VDOT ESS Weather PlatformVDOT Statewide Environmental Sensor Stations (ESS)

• environmental sensors control

VDOT TEOCVDOT Statewide Environmental Sensor Stations (ESS)

• transportation weather information request

National ITS Architecture Subsystems
mapped to the VDOT Statewide Environmental Sensor Stations (ESS):

• Roadway Subsystem
• Surface Transportation Weather Service Terminator

National ITS Architecture Services
associated with VDOT Statewide Environmental Sensor Stations (ESS):

• AD1 - ITS Data Mart -- Graphic 1 2
• MC03 - Road Weather Data Collection -- (Graphic)

National ITS Architecture Functional Requirements
associated with VDOT Statewide Environmental Sensor Stations (ESS):

Roadway Environmental Monitoring

1. The field element shall include surface and sub-surface environmental sensors that measure road surface temperature, moisture, icing, salinity, and other measures.
2. The field element shall include environmental sensors that measure weather conditions including temperature, wind, humidity, precipitation, and visibility.
3. The field element's environmental sensors shall be remotely controlled by a maintenance center.
4. The field element's environmental sensors shall be remotely controlled by a traffic management center.
5. The field element's environmental sensors shall be remotely controlled by weather service providers such as the National Weather Service or value-added sector specific meteorological services.
6. The field element's environmental sensors shall be remotely controlled by a maintenance and construction vehicle.
7. The field element shall provide environmental sensor equipment operational status to the controlling center or maintenance vehicle.
8. The field element shall provide environmental sensor equipment fault indication to the controlling center or maintenance vehicle.
9. The field element shall remotely aggregate environmental sensor data with environmental data collected from maintenance and construction vehicles.
10. The field element shall provide weather and road surface condition data to centers.
11. The field element shall provide weather and road surface condition data to maintenance and construction vehicles.