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Human factors principles and concepts can be used by highway designers and traffic engineers to improve roadway design and traffic safety.

The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 316: Human Factors Guidelines for Road Systems 2021 Update, Volume 2: Conduct of Research Report describes the process of updating guidelines, which were delivered in NCHRP Web-Only Document 316: Human Factors Guidelines for Road Systems 2021 Update, Volume 1: Updated and New Chapters.

Supplemental to the document is a presentation describing the updated and new chapters.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2022. Human Factors Guidelines for Road Systems 2021 Update, Volume 2: Conduct of Research Report. Washington, DC: The National Academies Press. https://doi.org/10.17226/26474.

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Publication Info

22 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/26474
Chapters skim
Front Matter 1-3
Contents 4-5
Section 1: Introduction 6-7
Section 2: Objectives, Methods, and Results of Tasks 1-5 8-14
Section 3: Planning and Developing the Draft Third Edition HFG 15-20

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