USDOT Region V Regional University Transportation Center Final Report IL IN WI MN MI OH NEXTRANS Project No. 094IY04 Development of Improved Pavement Rehabilitation Procedures Based on FWD Backcalculation By Erol Tutumluer, Principal Investigator Professor of Civil Engineering Department of Civil and Environmental Engineering University of Illinois at Urbana-Champaign [email protected] and Priyanka Sarker Department of Civil and Environmental Engineering University of Illinois at Urbana-Champaign [email protected] Report Submission Date: January, 2015