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Northwestern University provided TRB with 19,000 citations for Environmental Impact Statements.
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Search the TRB Research in Progress (RIP) Database for current research projects.
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Search the National Technical Information Service Database for government-funded documents published since 1990.
TRIS is a bibliographic database funded by sponsors of the Transportation Research Board (TRB), primarily the state departments of transportation and selected federal transportation agencies. TRIS Online is hosted by the National Transportation Library under a cooperative agreement between the Bureau of Transportation Statistics and TRB.
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