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Search results for "primary studies"

Filters: Transportation Research Board TRB × 2007 2007 ×
Viewing 1 - 3 of 3 results by relevance

The Impact of Legislation, Enforcement, and Sanctions on Safety Belt Use  (2007)

Integrating Freight into Transportation Planning and Project-Selection Processes  (2007)

A Guidebook for Using American Community Survey Data for Transportation Planning  (2007)