All state agencies have truck size and weight restrictions on their roadways based on federal and state legislation. However, drivers can typically apply for special permits allowing those limits to be exceeded, particularly when the load is non-divisible. The permit application often includes the origin and destination of the load, as well as characteristics about the truck’s size and weight. This information is used by state highway agencies to evaluate the impact of the loading on the roads and bridges that the vehicle will cross to determine a preferred route and the need for a police escort. The primary objective of this project is to estimate the percentage of overweight trucks on West Virginia highways that are not properly permitted by comparing truck weight data measured by weigh-in-motion (WIM) systems and oversize/overweight permit records. Analysis of the WIM data revealed concerns with the accuracy of the weight data. Therefore, a tuning procedure was developed to adjust the data based on national truck characteristics. The route information in the permit database was processed in GIS to determine which WIM stations the permitted vehicle should have crossed. The percentage of overweight trucks were calculated for five locations using one week of data in 2011. The percentage of overweight trucks without proper permits ranged from 2% to 46% based on the adjusted WIM data.
RP-271: Evaluation of the Percent of Overloaded Vehicles Receiving Proper Permits
2015
127 pages
Report
No indication
English
Transportation Safety , Road Transportation , Transportation , Problem Solving Information for State & Local Governments , Transportation & Traffic Planning , Urban Administration & Planning , Evaluation , WIM data management methodology , Permit database , Overloaded vehicle , Permits , Trucks , Weight restrictions , Roadways , Federal law , State law , State highway , Loading vehicles , Virginia (State) , Highways
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