1. Operations and Pavement Engineer, FHWA Colorado Division, 12300 W. Dakota Ave., Ste. 180, Lakewood, CO 80228 (corresponding author). E-mail: donna.harmelink@fhwa.dot.gov
2. Associate Professor, Dept. of Construction Management, Colorado State Univ., Ft. Collins, CO. E-mail: scott.shuler@colostate.edu
3. Colorado Department of Transportation, Denver, CO 80216-6408. E-mail: tim.aschenbrener@dot.state.co.us