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Search results for "subgroup differences"

Filters: Transportation Research Board TRB × 2021 2021 ×
Viewing 1 - 3 of 3 results by relevance

Investigating the Relationship of As-Constructed Asphalt Pavement Air Voids to Pavement Performance  (2021)

Using Electronic Devices While Driving: Legislation and Enforcement Implications  (2021)

Guidebook on Conducting Airport User Surveys and Other Customer Research  (2021)