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Aeronautical and Aerospace Engineering Research Guide

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Transportation Related Databases

TRIS Online is a public-domain, web-based version of the Transportation Research Information Services (TRIS) bibliographic database. TRIS Online is published as a collaborative effort by the Transportation Research Board, part of the National Academies, and the National Transportation Library, part of Bureau of Transportation Statistics (BTS), Research and Innovative Technology Administration, (U.S. Department of Transportation).

The TRIS Online database contains over half a million records of published transportation research including technical reports, books, conference proceedings and journal articles. Currently there are almost 24,000 TRIS records with links to electronic copies of the full-text. The time span covers literature from the 1960s to the present, with some coverage of prior years. Highway Research Board publications are covered back to 1923. TRIS coverage includes the disciplines of planning, finance, design and construction, materials, environmental issues, safety and human factors and operations for the modes of highways, transit, railroads, maritime and aviation.

TRIS Online includes material indexed and abstracted by TRB as well as the material entered by the Transportation Libraries at the University of California at Berkeley and Northwestern University.

Currently TRIS Online does not include Research in Progress records or international records derived from the International Transport Research Documentation (ITRD) database.


Over the past two years the ITRD database has been subject to a review by the Joint Transport Research Committee of OECD. The outcome of the review, completed in March 2010, was to develop a new joint product with the US Transportation Research Board (TRB) which includes the full integration of ITRD into TRB’s Transportation Research Information Services (TRIS) database.

For a list of journals indexed in TRIS Online, click here.