Transportation Research News, Issues 71-85Transportation Research Board, National Research Council, 1977 - Highway research |
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accidents activities addition Administration agencies American analysis Annual application areas asphalt Association Author automobile bridge chairman changes COMMITTEE concrete Conference construction continue cost Council countries Department of Transportation determine discussion driver economic effects energy Engineering evaluation existing facilities Federal field groups Highway impact improved increase Institute involved issues John Laboratory maintenance major materials measures Meeting ment methods Michigan NCHRP Office operations organizations pavement percent performance planning Practice Presentations presiding problems procedures rail Railroad reduce Regional road Robert Room safety Sciences selected served Session soil specific standards Street structures Subject surface technical techniques Technology tion traffic Trans transit Transportation Research Board transportation systems TRIS types United University urban vehicle Washington York