ITS - Intelligent Transportation Systems Report ITS Home Page

Incorporating Weather Impacts in Traffic Estimation and Prediction Systems

FHWA-JPO-09-065
EDL# 14497

September 2009

PDF Version [1.2 MB]
You will need the Adobe Acrobat Reader to view this PDF.

[ Notice ] [ Technical Report Documenation Page ] [ List of Figures and Tables ]

Chapter 1 Introduction
Chapter 2 Literature Review
empty cell 2.1 Traffic Performance under Weather Events
empty cell 2.2 User Responses to Weather Events and Weather-Related Information
Chapter 3 Existing Traffic Prediction/Estimation Models and Systems
empty cell 3.1 Overview of DYNASMART-X
empty cell 3.2 Evaluation for Real-time Application of DYNASMART-X
empty cell 3.3 Overview and Applications of DynaMIT
Chapter 4 Methodology
empty cell 4.1 Conceptual Framework
empty cell 4.2 Weather Data Representation
empty cell 4.3 Modeling Weather Impacts on Supply Side Relations and Operational Parameters
empty cell 4.4 Modeling Demand Side Behaviors and Parameters
empty cell 4.5 Traffic Advisory and Control Strategies
Chapter 5 Implementation of Weather-Related Features in DYNASMART
empty cell 5.1 Weather Data (weather.dat)
empty cell 5.2 Weather Adjustment Factor Data (WAF.dat)
empty cell 5.3 Variable Message Signs (vms.dat)
empty cell 5.4 Variable Speed Limits via VMS (vsl.dat)
Chapter 6 Calibration and Evaluation
empty cell 6.1 Data for Calibration
empty cell 6.2 Calibration of Speed-Density Function
empty cell 6.3 Calibration of Weather Adjustment Factors
Chapter 7 Application
empty cell 7.1 Test bed Network and Simulation Settings
empty cell 7.2 Network Performance under Adverse Weather Conditions
empty cell 7.3 Evaluation of Weather-related Information and Control Strategies
Chapter 8 Conclusions
empty cell References
Appendix A Calibration Results for Speed-Density Relation and WAF



USDOT treskelion logo.
U.S. Department of Transportation
ITS Joint Program Office, HOIT
Washington, DC 20590
Toll-Free "Help Line" 866-367-7487

Next