Development and Implementation of a 10-year Plan to Manage Interstate Pavements in NC
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A 10-Year plan was developed to manage preservation, minor and major rehabilitation of the Interstate Highway System in North Carolina. The guidance given in the development of the plan was a budget of $100 million per year and applying some treatment to each segment sometime in the 10 year period. The $100 million per year resulted from analyses using the Pavement Management System (PMS) on the cost to meet and maintain our performance goals for interstate pavements. Without a plan, the funding for interstate maintenance was diverted to other needs, resulting in competition for very limited funding and many deferred needs. The plan was developed using the Pavement Management System construction history, the performance histories of many treatments, the Pavement Condition Survey results and known pavement needs. Because of the planned approach, the 10-year plan includes preservation treatments as well as light and moderate rehabilitation treatments. Treatments ranged from crack sealing to a five inch asphalt overlay. The draft plan resulted in meeting both targets: $100 million per year and touching every segment at least once. Following the submission of the draft plan, $10 million per year was set aside for bridge deck repairs and an additional $5 million per year was assigned to other interstate needs. The result of these reductions was a plan that extends beyond 10 years in order to treat every segment at least once. Five years of the plan have been converted into projects and the first 2 years have been programmed. The plan demonstrates the importance of dependable and consistent funding in maintaining a high level of service.