Pavement Surface Evaluation and Rating information
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The PASER scale is a 1-10 rating system for road pavement condition developed by the University of Wisconsin-Madison Transportation Information Center. PASER uses visual inspection to evaluate pavement surface conditions. When assessed correctly, PASER ratings provide a basis for comparing the quality of roadway segments.[1] The PASER assessment method does not require measurements of individual distresses, and thus PASER ratings cannot be disaggregated into measurements of specific distress types. The advantage to this method is that roads may be assessed quickly, possibly even by "windshield survey." A primary disadvantage is that because PASER ratings cannot be disaggregated into component distress data, the metric cannot be used in mechanistic-empirical transportation asset management programs.[2]
Numerical PASER ratings are translatable to condition categories and prescribed treatment options, as shown below.
Quality
Rating
Treatment (Asphalt)
Treatment (PCC)
Excellent
9-10
No maintenance required
No maintenance required
Good
7-8
Crack sealing and minor patching
Routine maintenance
Fair
5-6
Preservation treatments (non-structural)
Surface repairs, partial-depth patching
Poor
3-4
Structural renewal (overlay)
Extensive slab or joint rehabilitation
Failed
1-2
Reconstruction
Reconstruction
The Michigan Transportation Asset Management Council has selected the PASER rating system as the statewide standard of pavement condition reporting.[3]
^"Asphalt PASER Manual" (PDF). University of Wisconsin-Madison.
^Pavement Condition Monitoring with Connected Vehicle Data. Michigan Department of Transportation and the Center for Automotive Research.
^"Local Agency Guidelines for Developing an Asset Management Process and Plan". Michigan Transportation Asset Management Council.
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