Abstract: Falling Weight Deflectometer (FWD) testing is used for nondestructive structural evaluation of existing pavements. The deflection data from FWD can be used for estimation of layer moduli by an iterative technique. In the ...

Abstract: The award‐winning network‐optimization system NOS has been the primary instrument used by the Arizona Department of Transportation (ADOT) in planning its highway preservation program since 1980. This paper presents the ...

Abstract: Since the AASHO road test of 1962, tremendous efforts have been devoted to improve the methodologies of pavement performance prediction. The successful implementation of the Network Optimization System (NOS) in the Arizona ...