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Research Tools

A guide to transportation research sources with an emphasis on government information and materials in the public domain

Search Engines


Google Scholar Link to Google Scholar  Indexes the full text and metadata for scholarly literature, including NTL's digital repository ROSA P.  Link to  Searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results.   Sources are from 13 federal agencies, including US DOT and NTL's digital repository ROSA P.  Link to  Online guide to government information and services.  Searches across all government websites.