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California Department of Transportation

Research Reports and Summaries

There are over 1,500 Research Reports and Studies in the database. They are grouped by year below.

Year 2002-2007	Year 1971
Year 1997-2001	Year 1969-1970
Year 1989-1996	Year 1968
Year 1981-1988	Year 1966-1967
Year 1978-1980	Year 1964-1965
Year 1976-1977	Year 1961-1963
Year 1974-1975	Year 1959-1960
Year 1973	Year 1956-1958
Year 1972	Year 1930-1955

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This searches through the pages of the Caltrans DRI Research Reports and Summaries.