- Transportation Research Record
Peer-reviewed papers on specific transportation subject areas and modes.
Compendex indexes technical and engineering journals, conference proceedings and papers, technical reports, and monographs. Subjects include all areas of engineering; transportation; management, mathematics, and physics; electronics and communications; computers and data processing, and instruments and measurements.
Scopus is an abstract and citation database of research literature and quality web sources, including open access journals, conference proceedings, trade publications, abstracts, and patent records.
- TRID: Transportation Research Information Database
TRID is a newly integrated database that combines the records from the U.S. TRB's Transportation Research Information Services (TRIS) Database and the OECD's Joint Transport Research Centre’s International Transport Research Documentation (ITRD) Database. TRID provides access to over 900,000 records of transportation research worldwide
GEOREF is the database of the American Geological Institute. It provides references to over 4,500 serial and other publications covering all aspects of geology and geophysics.
- State DOT Search Engine
A custom Google search tool that limits returns to U.S. state departments of transportation.