The Weigh-in-Motion (WIM) program provides the truck weight monitoring portion of the State's travel monitoring program. Of all the traffic monitoring activities, WIM requires the most sophisticated data collection sensors; the most controlled operating environment (strong, smooth, and level pavement in good condition), and the most effort to set up and calibrate.
WIM systems are designed to measure the vertical forces applied by the truck axles to sensors in the roadway, thereby providing an estimate of the axle weights. The data are collected at each site as a vehicle passes over the WIM site. Vehicles can drive through at mainline speeds and do not have to stop like they do at most traditional weigh stations.
For questions about weigh stations, oversize/overweight permits, please contact the Division of Measurement Standards & Commercial Vehicle Compliance.
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