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Sorry for the inconvenience, we’re performing some maintenance on July 1 (Friday) from 8.00AM to 2.00 PM, during which you may not be able to access the database. If you need to you can always contact us, otherwise we’ll be back soon!
|Search TRID, the TRIS and ITRD database, for U.S. and international material.|
|Search the Science.gov database for federal science and technology resources.|
|Search Data.Gov for transportation datasets.|
|Search the TRB Research in Progress (RIP) Database for current research projects.|
|Search the TLCat - Transportation Libraries Catalog for transportation-related books and other materials held in government, university and other transportation libraries.|
|Search the National Technical Information Service Database for government-funded documents published since 1990.|