This chapter describes methods used for developing DDHVs. It also discusses methodologies for estimating directional peak-hour volumes for both design hour and other peak periods.
- Chapters
- 1. Introduction and Overview
- 2. Traffic Data Sources and Factors
- 3. Scoping for Project Traffic Foresting
-
4. Forecasting with Travel Demand Models
- 4.1 Introduction
- 4.2 Corridor and Project Traffic Forecasting
- 4.3 Fundamentals of Travel Demand Models
- 4.4 Model Calibration and Validation
- 4.5 Model Assessment and Selection
- 4.6 Travel Demand Model Development and Application
- 4.7 Use of Model Outputs in Traffic Forecasting
- 4.8 Documentation of Traffic Forecast
- 5. Forecasting Without a Travel Demand Model
- 6. Directional Design Hour Volumes
- 7. Estimating Intersection Turning Movements
- 8. Equivalent Single Axle Load (ESAL) Forecasting
- 9. Project Traffic for Tolled Managed Lanes
- Appendix A
- Appendix B
- Appendix C
- Appendix D