United States Department of Transportation
i
Pavement Remaining Service Interval [Tech Brief]
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2013-05-01
[PDF-84.49 KB]
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION;NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance;
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Abstract:This document is a technical summary of the Federal Highway Administration reports, "Reformulated Pavement Remaining Service Life Framework" (FHWA-HRT-13-038) and "Pavement Remaining Service Interval Implementation Guidelines" (FHWA-HRT-13-050). At the heart of pavement management decisions is the prediction of future construction events; however, many issues exist with the current remaining service life (RSL) terminology. The major source of uncertainty is the use of the term “life” to represent different points in the construction timeline. The path to consistency involves adopting terminology of time remaining until a defined construction treatment is required (i.e., RSL is replaced by remaining service interval (RSI)). The term RSI has the ability to unify the outcome of different approaches for determining needs by focusing on when and what treatments are needed as well as the service interruption created. This TechBrief introduces the RSI concept and its implementation process.
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