TRID Transportation Research DatabaseThe TRID simultaneously searches the Transportation Research Information Services (TRIS) and International Transport Research Documentation (ITRD) databases, containing abstracts and links to full text reports, books, articles and conference proceedings about transportation related topics.
TRID contains more than one million records of references to books, technical reports, conference proceedings, and journal articles in the field of transportation research. Almost 500 serial titles are regularly scanned and indexed for TRID.