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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations

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Publication Number:  FHWA-HRT-13-039    Date:  May 2013
Publication Number: FHWA-HRT-13-039
Date: May 2013


Pavement Remaining Service Interval

Dear Customer:

An editorial correction was made to this report after the report was originally published. The following table shows the modification that was made to this report.

Location Correction
Page 3, Bulleted List 2, Bulleted Item 1 Change list item from: “Roughness exceeds limiting International Reference Index value.” to “Roughness exceeds limiting International Roughness Index value.”


An indication of the reasons why a future construction event is predicted is also needed to complete the definition since pavement improvements are based on different needs. The following examples explain the basis of predicted time to a threshold event:

AMENDED July 9, 2013