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TRB’s National Cooperative Highway Research Program (NCHRP) Research Results Digest 349: Evaluation of Existing Roadside Safety Hardware Using Manual for Assessing Safety Hardware (MASH) Criteria explores the safety performance of widely used non-proprietary roadside safety features by using MASH. Examples of features evaluated include longitudinal barriers (excluding bridge railings), terminals and crash cushions, transitions, and breakaway supports.

The complete report on the project that developed NCHRP RRD 349 was published as NCHRP Web-Only Document 157.

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2010. Evaluation of Existing Roadside Safety Hardware Using Manual for Assessing Safety Hardware (MASH) Criteria. Washington, DC: The National Academies Press. https://doi.org/10.17226/14409.

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Publication Info

10 pages |  8.5 x 11 |  Paperback
ISBN: 978-0-309-15484-0
DOI: https://doi.org/10.17226/14409
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Research Results Digest 349 1-12

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