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TRB’s National Cooperative Highway Research Program (NCHRP) Research Results Digest 402: Continuing Project to Synthesize Information on Highway Problems provides a 2018 update on current knowledge and practice, in a compact format, without the detailed directions usually found in handbooks or design manuals. Each report in the series provides a compendium of the best knowledge available on those measures found to be most successful in resolving specific problems.

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2018. Continuing Project to Synthesize Information on Highway Problems: 2018. Washington, DC: The National Academies Press. https://doi.org/10.17226/24998.

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Publication Info

15 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/24998
Chapters skim
Introduction 1-1
The Synthesis Project 2-25

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