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Online Resources

Washington State Library Catalog  

WSDOT Library materials are included in the Washington State Library's online catalog. To search only WSDOT Library materials, select WSDOT Library from "Search Agency Branch Libraries."

WSDOT Library items are indicated by a WSDOT prefix in the Location designation.

Transport Research International Documentation (TRID) 

TRID is a newly 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. TRID provides access to over 900,000 records of transportation research worldwide. 
  
National Transportation Llibrary (NTL) Catalog 

Resources in the NTL Catalog are primarily technical, research and policy documents provided by federal, state, local, tribal and other government agencies. Links are to government and other significant websites and documents, especially USDOT and state sites.

TRB Publications Index 

The TRB Publications Index contains over 21,000 annotated citations for all TRB and Strategic Highway Research Program (SHRP) publications from the mid 1970s until present. All NCHRP and TCRP publications, Special Reports, Circulars, TR News, Conference Proceedings, and Records are included. Each individual paper in the Transportation Research Records, Conference Proceedings, Circulars, and TR News is indexed. Links are provided from citations in the index directly to TRB's Electronic Bookstore, a form for ordering out of print publications, or the full text electronic documents.

Search State DOT Websites 

We have created a Google custom search engine which allows you to search the websites of the Departments of Transportation of the 50 states and the District of Columbia. 
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