NCHRP Report 716: Travel Demand Forecasting: Parameters and Techniques
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NCHRP Report 716:
Travel Demand Forecasting: Parameters and Techniques
(2012)
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Overview

Authors

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 716: Travel Demand Forecasting: Parameters and Techniques provides guidelines on travel demand forecasting procedures and their application for helping to solve common transportation problems.

The report presents a range of approaches that are designed to allow users to determine the level of detail and sophistication in selecting modeling and analysis techniques based on their situations. The report addresses techniques, optional use of default parameters, and includes references to other more sophisticated techniques.

NCHRP Report 716 is an update to NCHRP Report 365: Travel Estimation Techniques for Urban Planning.

Topics

  • Transportation — Highways
  • Transportation — Operations and Traffic Management
  • Transportation — Planning and Forecasting
  • Transportation — Safety and Human Factors

Publication Info

170 pages | 8.5 x 11
Contents

Table of Contents

skim chapter
Front Matter i-ix
1.1 Background 1-1
1.2 Travel Demand Forecasting: Trends and Issues 2-2
1.3 Overview of the Four-Step Travel Modeling Process 3-4
1.8 Glossary of Terms Used in This Report 5-6
2.1 Types of Planning Analyses 7-9
2.2 Urban Area Characteristics Affecting Planning and Modeling 10-13
3.2 Socioeconomic Data and Transportation Analysis Zones 14-17
3.3 Network Data 18-23
3.4 Validation Data 24-26
4.1 Introduction 27-30
4.2 The Logit Model 31-32
4.3 Vehicle Availability 33-36
4.4 Trip Generation 37-42
4.5 Trip Distribution 43-47
4.6 External Travel 48-52
4.7 Mode Choice 53-57
4.8 Automobile Occupancy 58-61
4.9 Time of Day 62-64
4.10 Freight/Truck Modeling 65-71
4.11 Highway Assignment 72-76
4.12 Transit Assignment 77-79
5.2 Model Validation Overview 80-80
5.3 Model Validation and Reasonableness Checking Procedures for Existing Models 81-85
5.4 Model Validation and Reasonableness Checking Procedures for Models or Model Components Developed from Information Contained in Chapter 4 86-87
5.5 Cautions Regarding Use of This Report for Validation 88-88
Chapter 6 - Emerging Modeling Practices 89-89
6.1 The Activity-Based Approach 90-91
6.2 Activity-Based Travel Model Systems in Practice 92-95
6.3 Integration with Other Model Systems 96-98
6.4 Summary 99-99
7.2 Model Reasonableness Check 100-107
7.3 Model Development Case Study for a Smaller Area without Data for Model Estimation 108-113
References 114-116
Appendix A - Federal Planning and Modeling Requirements 117-123
Appendix B - Review of Literature on Transferability Studies 124-135
Appendix C - Transferable Parameters 136-161

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