U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
|This report is an archived publication and may contain dated technical, contact, and link information|
|Publication Number: FHWA-HRT-13-039 Date: May 2013|
Publication Number: FHWA-HRT-13-039
Date: May 2013
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.
|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:
Roughness exceeds limiting International
Reference Roughness Index value.
Cracking exceeds limit requiring reconstruction.
AMENDED July 9, 2013