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TRB’s second Strategic Highway Research Program (SHRP 2) Report S2-L33-RW-1: Validation of Urban Freeway Models documents and presents the results of a project to investigate, validate, and enhance the travel time reliability models developed in the SHRP 2 L03 project titled Analytical Procedures for Determining the Impacts of Reliability Mitigation Strategies.

This report explores the use of new datasets and statistical performance measures to validate these models. As part of this validation, this work examined the structure, inputs, and outputs of all of the L33 project models and explored the applicability and validity of all L03 project models. This report proposes new application guidelines and enhancements to the L03 models.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2014. Validation of Urban Freeway Models. Washington, DC: The National Academies Press. https://doi.org/10.17226/22282.

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Publication Info

8.5 x 11 |  DOI: https://doi.org/10.17226/22282
Chapters skim
Front Matter i-viii
Executive Summary 1-3
Chapter 1 - Background 4-9
Chapter 2 - Data 10-17
Chapter 3 - Existing Model Validation 18-22
Chapter 4 - Enhanced Models and Application Guidelines 23-25
Appendix A - Review of L03 and Related Models 26-47
Appendix B - Validation Plan 48-64
Appendix C - Data-Rich Validation 65-166
Appendix D - Data-Poor Validation 167-216
Appendix E - Model Enhancements 217-378
Reliability Technical Coordinating Committee 379-379

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