The application of smart phone, weight-mile truck data to support freight-modeling, performance measures and planning.
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2013-08-01
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Abstract:Oregon is one of the few states that currently charge a commercial truck weight-mile tax (WMT). The Oregon Department of ; Transportation (ODOT) has developed a data-collection system – Truck Road Use Electronics (TRUE) – to simplify WMT ; collection. The TRUE system includes a smart phone application that collects and records Global Positioning System (GPS) data. ; The TRUE data has enormous advantages over GPS data used in previous research due to its level of geographic detail and the ; potential to also integrate trip origin and destination, vehicle class, and commodity-type data. This research evaluates the accuracy ; of the TRUE data and demonstrates its use for significant ODOT ancillary applications. Specifically, ancillary applications that ; address ODOT freight modeling, performance measures, and planning needs are explored. The use of the data for highly accurate ; trip-generation rates and mobility performance measures is demonstrated. In addition, it is shown that the TRUE data has strong ; potential to be used for safety, accessibility and connectivity, system condition and environmental stewardship performance ; measures. The potential use of the TRUE data for emissions estimates that take into account truck-type details, truck weight and ; detailed speed profiles is considered. Results indicate that TRUE data, integrated with ODOT weigh-in-motion (WIM) data, will ; greatly improve the accuracy of emission estimates at the project and regional level. This research confirms the potential use of ; the TRUE data for significant ancillary applications and demonstrates the regional value of the TRUE data to enhance existing ; freight modeling, performance measures and planning.
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Main Document Checksum:urn:sha-512:c23fc6d2ef3b1e9c4551e1986288475ea8fdd70b5e29d1d07518c8652e996a7cc3e5ab48a514cc3ea148988d92c5116c9ecb28409d507328de1ad2a4a0164b82