Summary of Progress - National Cooperative Highway Research ProgramTransportation Research Board, National Research Council., 1994 - Highway research |
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AASHTO activities addition analysis application approach appropriate approved areas asphalt assess associated bridge capacity changes collection Completed-Published as NCHRP Completion Date Concrete conducted considered construction Continued Contract costs criteria describe detailed determine develop document economic Effective Date effort engineering estimating Evaluation existing factors field final report findings Funds Guide guidelines Highway identify impact implementation improve initiated interim report issues levels limited load maintenance Management manual materials measures meeting ment methodology methods models NCHRP Project NCHRP Report needed objective operations pavement performance Phase potential practices Prepare present Principal Invest problems procedures Progress Proj project panel proposed published recommended Research Agency revised safety selected signal specifications standards Steel Structures submitted Summary Task techniques technologies tion Topic traffic transportation types various vehicle