Dr. M. W. Witczak and Javed Bari: This study demonstrates that the standard test and design methodologies in the new NCHRP mechanistic-empirical (M-E) pavement design guide entitled, 2002 Design Guide: Design of New & Rehabilitated Pavement Structures, can be used effectively for lime-modified asphalts. Using the new M-E pavement design guide methodologies, hydrated lime was found to increase the dynamic modulus (E*) stiffness of asphalt mixes by an overall average of 25%.