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Help On TRID (formerly TRIS Online)
Transportation research database. TRID provides access to over 900,000 records of transportation research worldwide. TRID is a newly integrated database that combines the records from TRB's Transportation Research Information Services (TRIS) Database and the OECD's Joint Transport Research Centre's International Transport Research Documentation (ITRD) Database.
Highways; Transit; Railroads; Maritime; Aviation; Transportation Engineering
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