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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 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. |