RIP The Transportation Research Board's Research in Progress (RIP) Database contains information on more than 10,000 current or recently completed transportation research projects. RIP records primarily are projects funded by the U.S. Department of Transportation and State Departments of Transportation. University transportation research also is included in the database.

  • TRID Serials
  • TRT - Transportation Research Thesaurus
  • International Transport Research Documentation (ITRD)
  • Literature Searches and Literature Reviews for Transportation Research Projects
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