This project addresses problems associated with the movement of freight using trucks in urban areas. Initially the project started as a demand modeling effort, but it became apparent that there are many pressing issues related to the impacts of the specific vehicle stops and deliveries themselves. The work in this project consisted of two parts: 1) development of models for demand responsive transportation systems in order to model network-level characteristics of the logistics system of urban goods delivery, and 2) development of traffic models to quantify the impact of urban freight deliveries on street capacity and delays. This second effort addresses a gap in the Highway Capacity Manual (HCM), which contains guidelines for estimating capacity and delays on streets under a variety of operating conditions but does not account for blockages associated with freight deliveries. Together, these research efforts shed light on the operations of urban freight systems and the impacts that these deliveries have on other users of the street network in a city. Ultimately, the research on demand responsive models was restricted by available trucking data, so the main research effort for this project has focused on modeling traffic interactions associated with vehicle stops for urban freight delivery.
In early 2009 WisDOT, HNTB and ECWRPC completed the first phase of the Northeast Region Travel Demand Model. While the model includes a truck trip gen...
In the last several years there has been a surge of interest in fostering more sustainable logistical operations in urban areas. Under the umbrella of...
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