This study analyzed 95,000 overweight (OW) single-trip truck permits issued in Wisconsin between May 2007 and June 2013. A geographic information system and relational databases were used to conduct a statewide routing analysis to identify highways that are heavily used by OW permitted trucks, such as WI-140. Field studies at WI-140 confirmed a high proportion of OW trucks. In addition, pavement damage and deterioration caused by heavy truck traffic were investigated by conducting a visual distress survey and determination of the pavement condition index (PCI). The pavement of WI-140 was heavily distressed, with a PCI description of very poor. The Mechanistic–Empirical Pavement Design Guide (MEPDG) was used on WI-140 to evaluate the performance of the pavement under OW truck traffic. The results of the MEPDG analysis showed that the pavement was heavily distressed and deteriorated, a condition that was consistent with field measurements and observations. A primary application of the routing and pavement analyses is to assist the Wisconsin Department of Transportation in developing rehabilitation strategies for deteriorated pavements.
Characterization of Overweight Permitted Truck Routes and Loads in Wisconsin
Transportation Research Record
Transportation Research Record: Journal of the Transportation Research Board ; 2411 , 1 ; 72-81
2014-01-01
Article (Journal)
Electronic Resource
English
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