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Search the Collections
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Search NTL Full-Text Reports, Data and Transportation Websites
A digital archive for statistical, technical, research and policy documents required by researchers and decision makers and provided to NTL by federal, state, local, tribal and other government agencies
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Search NTL Books, eBooks and Journals
A catalog of the US DOT headquarters library's collection, including both print and electronic materials available to DOT staff and visitors
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Transportation Research Information Services (TRID) database
An 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
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Transportation Research Thesaurus
A hierarchical controlled vocabulary used by indexers, content managers and librarians in the transportation community
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Search Public Datasets and Data Tools
Search datasets for various modes of transportation, both US DOT and outside sources
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USDOT Research Hub
A searchable database of the latest USDOT-sponsored research, development and technology projects
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Special Collections
Digitized historical DOT collections, including past Secretaries’ papers, historical accident reports, orders and circulars
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Research Databases
A listing of electronic databases and resources available to DOT employees only
