Iowa DOT library transportation databasesThe list of transportation database below contains resources, topics and materials relating to transportation.
National Transportation Library
The National Transportation Library is a repository of materials from public and private organizations around the country. The library is intended to facilitate the exchange of information related to transportation.
Transportation Article File
The Transportation Library staff of Northwestern University produce a Web-based periodical index of transportation and law enforcement articles and conference proceedings.
U.S. DOT research hub
A searchable database of the latest U.S. DOT-sponsored research, development and technology projects.
State DOT search engine
Uses Google Custom Search to search state DOTs' websites.
TranStats - The Intermodal Transportation Database
TranStats provides updated data, graphs and charts on nationwide transportation statistics.
California Partners for Advanced Transit and Highways (PATH) was established in 1986. It is administered by the Institute of Transportation Studies, University of California, Berkeley, in collaboration with Caltrans. PATH is a multidisciplinary program with staff, faculty and students from universities statewide; cooperative projects with private industry, state and local agencies; and nonprofit institutions.
TRID is a newly integrated database that combines 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 more than 900,000 records of transportation research worldwide.
Research In Progress (RiP)
The TRB RiP database contains about 2,000 records of research projects sponsored by the departments of transportation in the 50 states.
Transportation Research Thesaurus (TRT)
The TRT's purpose is to provide a common and consistent language between producers and users of transportation information. The thesaurus covers all modes and aspects of transportation.
Research needs statements
An important function of the TRB is to stimulate research that addresses concerns, issues or problems facing the transportation community. In support of this function, TRB's technical activities standing committees identify, develop and disseminate research need statements (RNS) for use by practitioners, researchers and others. The RNS on this website have been developed by the technical committees.
TRB Publications Index
The TRB Publications Index contains more than 41,000 papers, articles and reports published by TRB, Highway Research Board, Strategic Highway Research Program, or the Marine Board from 1923 to date.
Tools and resources to learn about and employ intelligent transportation systems