California Partners for Advanced Transportation Technology

To increase operational efficiency, reduce congestion, and meet federal requirements concerning truck size and weight limits, the California Department of Transportation (Caltrans) is exploring new plans and feasible projects designed to increase enforcement and reduce pavement damage due to overweight trucks. Installation of Weigh-in-motion (WIM) systems or Virtual Weigh Station (VWS) by Caltrans will provide information to the California Highway Patrol (CHP) that they can use to better enforce commercial vehicle laws in those areas. To support the effective deployment of WIM/VWIM facilities in California, this project was initiated to determine where future WIM/VWS should be located to maximize their effectiveness in commercial truck weight enforcement.