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Analysis of Built Environmental Features and Effects on Freight Activities

A 2005 study by Han et al estimated that illegal parking of parcel delivery vehicles was the third leading cause of urban non-recurring congestion behind vehicle crashes and construction. However, very little has been done to investigate the causes of illegal parking by trucks and develop mitigation strategies. As an exploratory step toward addressing truck parking problems in urban areas, this study analyzed truck parking citation data in Chicago to identify factors that affect concentration of high density of violations. Analysis of hot spots using the geographic information system (GIS) showed that parking problems are generally worse within or near the downtown and become less prevalent toward the outer perimeter of the city. However, it was also found that truck parking does not seem to be a serious issue in the part of the city that has been home to industrial sites for a long time. The regression analysis revealed that truck parking problems can be exacerbated by the concentrations of food businesses in newly developed neighborhoods with low density of vehicles owned by its residents. The finding underscores the importance of land use plan and urban and streetscape designs that takes into account trucks in the neighborhoods that may not seem to generate intense truck activities. The study also found that alleys could alleviate some of the truck parking problems although their effect is relatively modest.  Contact Kazuya Kawamura for more information.  Download final report.

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