Abstract
Oregon is one of the few states that currently charge a weight–mile tax (WMT) on commercial trucks. This research evaluated ancillary applications for a system developed by the Oregon Department of Transportation (DOT) to simplify WMT collection. The data collection system developed by Oregon DOT—truck road use electronics (TRUE)—includes a smartphone application with a Global Positioning System (GPS) device and microprocessor. The TRUE data have enormous advantages over the GPS data used in previous research because of TRUE's level of disaggregation and potential to differentiate between vehicle and commodity types. This research evaluated the accuracy of the TRUE data and demonstrated the successful application of the data to develop trip generation rates for a variety of truck types and land use categories. This research confirms the value of the TRUE data to enhance existing Oregon DOT transportation planning models and performance measures.
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