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Over 102,000 work zone crashes occurred in 2020 in the United States, which equates to a work zone crash every 5.2 minutes. This study aims to provide a better understanding of available resources to best address guidance for implementation of safety measures in work zones.

NCHRP Web-Only Document 361: Determination of Work Zone Encroachments, from TRB's National Cooperative Highway Research Program, is supplemental to NCHRP Research Report 1055: Addressing Encroachment-Related Safety Issues in Work Zones: A Guide.

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2023. Determination of Work Zone Encroachments. Washington, DC: The National Academies Press.

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Publication Info

168 pages |  8.5 x 11 |  DOI:
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