Rehabilitation Strategies for Highway Pavement

NCHRP Project 1-38 was conducted to develop a process for selection of appropriate rehabilitation strategies for the ranges of pavement types and conditions found in the United States. A review of the pavement rehabilitation practices of State DOTs, and the literature available on pavement evaluation, rehabilitation techniques, and selection of rehabilitation strategies, was conducted for this project. Although all State DOT agencies are engaged in pavement rehabilitation, fairly few of them have any more than the most simple and general guidelines for selection of rehabilitation strategies. The rehabilitation strategy selection procedures used by the various highway agencies differ in their details, but typically consist of: (1) data collection, (2) pavement evaluation, (3) selection of rehabilitation techniques, (4) formation of rehabilitation strategies, (5) life-cycle cost analysis, and (6) selection one pavement rehabilitation strategy from among the alternatives considered. This report provides a step-by-step process and guidelines for each of these activities.