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Weather Applications and Products Enabled Through Vehicle Infrastructure Integration (VII)
Feasibility and Concept Development Study
January 2007
Technical Report Documentation
Table of Contents
1.1 Objectives
1.2 Approach
1.3 VII Deployment
1.4 Prospective Data
1.5 Data Efficacy
1.6 VII-enabled Improvements
1.7 Data Processing
1.8 Data fusion
1.9 Research Requirements
1.10 Conclusions
2. Introduction
3. Methods
4.1 VII Architecture
4.2 Probe Message processes
4.3 Implications of Probe Data Collection and Dissemination Process
5. Weather-Related Vehicle Data
5.1 Potential Data Elements
5.2 Ambient Temperature
5.3 Relative Humidity (Dew Point)
5.4 Wiper State
5.5 Rain Sensor
5.6 Lights (Fog and Headlights)
5.7 Accelerometer
5.8 ABS, Traction Control and Stability Control
5.9 Sun Sensor
5.10 Driver Assist Systems
6. Case Studies
7. Potential VII Products and Applications
7.1 Weather Product Improvements Enabled by VII
7.1.1 Reducing Radar Anomalous Propagation (AP)
7.1.2 Improved Identification of Virga
7.1.3 Diagnosis of Precipitation Type
7.1.4 Identification of Foggy Regions
7.1.5 Improved Characterization of Surface Conditions for Weather Models
7.1.6 Improved Weather Analysis and Prediction in Complex Terrain
7.1.7 Improved Air Quality Monitoring and Prediction
7.1.8 Improved Diagnosis og Boundary Layer Water Vapor7.2 Pavement Condition Product Improvements Enabled by VII
7.2.1 Improved Identification of Slippery Pavement
7.2.2 Improved Knowledge of Pavement Temperature7.3 In-Vehicle Information System Products Enabled by VII
7.4 Transportation System Management Decisions Supported by VII
7.4.1 Maintenance Decision Support System (MDSS)
7.4.2 Traffic and Incident Management
7.4.3 Summer Maintenance
7.4.4 Emergency Management and Homeland Security
8.1 Weather Data Translator (WDT)
8.2 WDT Processing Requirements
9. Extracting Intelligent Information From VII Data
9.1 Data Fusion
9.2 Assimilating VII Data
10. Overview of Research Needs
10.1 Probe Message Processes
10.2 VII Adoption Rates
10.3 Data Processing
10.4 Data Quality and Accuracy
10.5 Quality Checking
10.6 Data Fusion
10.7 Numerical Weather Prediction Model Forecasts
10.8 Human Factors
11. Next Steps
12. References
Appendix A
VII Weather Applications Workshop I
Boulder, Colorado
Wednesday, February 22, 2006
Meeting Notes
Appendix B
VII Weather Applications Workshop I
Boulder, Colorado
Wednesday, June 21, 2006
Meeting Notes
Appendix C
Data Elements Considered in Computational Requirements for WDT
Department of Transportation
Federal Highway Administration
HOTO-1, Room 3408, 400 Seventh Street, SW
Washington DC 20590
www.fhwa.dot.gov/weather
FHWA Publication Number: FHWA-HOP-07-084
EDL Number: 14350
Publication Date: January 2007
