Transportation Research News, Issues 68-73Transportation Research Board, National Research Council, 1977 - Transportation |
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activities Administration agencies aggregate American analysis application areas Association Author bridge California Center chairman changes COMMITTEE concrete conference construction cost Council Department of Transportation determine discussed driver economic effects energy Engineering environmental evaluation existing experience facilities Federal field Highway impact improved increased Institute interest involved John Laboratory light maintenance major materials measures Meeting ment methods Michigan NCHRP needs Office operations organization passenger pavement percent performance planning portation practical present presiding problems procedures rail Railroad Regional road Robert Room safety Sciences served Session soil specifications standards Street structural Subject surface Technical techniques Texas tion track traffic train Trans transit Transportation Research Board TRIS types U.S. Department United University urban vehicle Washington York