TRID includes over 900,000 records covering transportation research from ITRD and TRIS. It includes TRB publications going back to 1923, including Highway Research Board, SHRP, and Marine Board publications. Also indexed are Environmental Impact Statements, theses, reports, and research in progress. TRID is the world’s largest and most comprehensive bibliographic resource on transportation research information, covering all modes and disciplines of transportation.

Coverage: 1920's-present
Tags: Transportation

A website for transportation researchers and analysts, aimed at providing a broad collection of intermodal transportation data collected by various agencies within the U.S. Department of Transportation or by other federal agencies.

Compendex is the most comprehensive bibliographic database of engineering research literature, containing references to over 5000 engineering journals and conferences. About half the citations (from 2600 journals and conferences) include abstracts and indexing in the records.