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1 - 3 of 3 resultsSearch results for "observational studies"
Final Report for NCHRP Report 581: Design of Construction Work Zones on High-Speed Highways (2007)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program
Transportation and Infrastructure
Roundabouts in the United States (2007)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program
Transportation and Infrastructure
Guide to Effective Freeway Performance Measurement: Final Report and Guidebook (2007)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program
Transportation and Infrastructure