Virginia Department of Transportation (VDOT) Travel Model Improvement Program Peer Review

Table of Contents

• 1.0 Introduction
  • 1.1 Disclaimer
  • 1.2 Acknowledgements
  • 1.3 Report Purpose
  • 1.4 Report Organization
• 2.0 Overview of Virginia Department of Transportation (VDOT)
  • 2.1 State of Virginia
  • 2.2 VDOT Responsibilities
  • 2.3 Role of the Office of Intermodal Planning and Investment
• 3.0 VDOT Statewide Modeling
  • 3.1 Existing Model
  • 3.2 Statewide Transportation Model Improvement Plan
  • 3.3 VDOT's Goals for the Current Peer Review
• 4.0 Peer Review Discussion
  • 4.1 Panel Discussion of OIPI's Role
  • 4.2 Panel Discussion of VDOT's Approach and Goals
  • 4.3 Panel Discussion of VDOT Questions
    • 4.3.1 What is the reason your state develops/maintains a statewide model?
    • 4.3.2 What are the top five challenges in the development of your statewide model?
    • 4.3.3 What are the top five applications for your statewide model?
    • 4.3.4 What decision processes did your agency go through and what tradeoffs were considered in determining their model structure?
  • 4.4 Time-of-Day Model Component
  • 4.5 Network Data
• 5.0 Peer Review Panel Recommendations
  • 5.1 Metrics
  • 5.2 Price/Tolling Sensitivity
  • 5.3 Model Structure
  • 5.4 Truck Model
  • 5.5 Model Geography and Network
  • 5.6 Consistency with MPO Models
  • 5.7 Time-of-Day and Traffic Assignment
  • 5.8 Other Items
• 6.0 Post-Meeting Comments
• Appendix A: List of Peer Review Panel Participants
  • A.1 Peer Review Panel Members
  • A.2 VDOT Staff
  • A.3 Agency Consultants
  • A.4 TMIP Peer Review Support Staff
• Appendix B Peer Review Panel Meeting Agenda
• Appendix C Peer Review Panel Biographies
  • C.1 Alan Horowitz, University of Wisconsin-Milwaukee
  • C.2 Becky Knudson, Oregon Department of Transportation
  • C.3 Subrat Mahapatra, Maryland State Highway Administration
  • C.4 Jeremy Raw, Federal Highway Administration
  • C.5 Janie Temple, Texas Department of Transportation
  • C.6 Scott Thomson, Kentucky Transportation Cabinet
  • C.7 Ken Cervenka, Federal Transit Administration

List of Figures and Tables

• Figure 2-1: Stakeholder Roles in Transportation Model Maintenance
• Figure 2-2: Virginia Transportation Model Responsibilities
• Figure 3-1: Modeling Geography of Existing Virginia Statewide Model
• Figure 3-2: Example Four-Step Modeling Process
• Table 2-1: Virgina Metropolitan Planning Organizations (MPOs)
• Table 3-1: Existing VDOT Statewide Model Trip Segmentation.
• Table 3-2: Time-of-Day Periods in Virginia MPO Models