Cold In-place Recycling (CIR) Study


Stephen A. Cross


FHWA report includes summary of performance seen by multiple agencies, confirms CIR has better results than mill & fill; And the same or longer pavement life, with equal or lower NPV than conventional HMA. Report recommends an AASHTO structural layer coefficient of 0.32-0.34 for CIR mixes.



FHWA-CFL/TD-12-00x U.S. Department of Transportation: Federal Highway Administration (FHWA), 2012.