This resource combines the records from the Transportation Research Board’s (TRB) Transportation Research Information Services (TRIS) Database and the OECD’s Joint Transport Research Centre’s International Transport Research Documentation (ITRD) Database.
It contains more than 156,000 records contain links to full-text documents. TRID's focus is transportation research. TRID does not contain information on vehicle standards and specifications, patent information, market research, or military transport.