Summary of Progress - National Cooperative Highway Research Program |
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63 and FY AASHO Road Test Academy accident aggregates analysis analyzed application areas asphalt August 31 beams characteristics Committee Completed-Published as NCHRP Completed-Report Completion Date concrete conducted construction contract Cornell Cornell Aeronautical Laboratory costs criteria Deicing determine driver economic editorial and publication Effective Date Engineering evaluation existing February February 15 Federal Highway Administration field final report Flexible Pavements freeway Funds guidelines highway departments highway design Highway Research Board Improved included initial research investigated June 30 laboratory lane drop load materials measure ment methods NCHRP Project NCHRP Report objectives Pavement Performance phase planning power spectrum practice Principal Invest problems procedures project report properties proposed publication process published Research Agency Research in progress research results review stage roadway safety slab specific Steel studded tires Summary of Progress survey techniques tion traffic operations transportation types University urban valuation various vehicle