TRID – The TRIS and ITRD Database
http://trid.trb.org/

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. TRID provides access to over 940,000 records of transportation research worldwide. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog. This will be added to Deep Web Research Resources Subject Tracer™ Information Blog.