Title: A Case Study of Induced Trips at Mixed-Use Developments
Abstract: Advocates of pedestrian-friendly, mixed-land use developments claim that these characteristics will contribute to an overall reduction in travel. However, these elements may serve to increase travel demand by reducing the overall cost of travel-a phenomenon generally known as “induced” travel. To date, most studies of induced travel have focused on aggregate travel patterns, without examining how development patterns may influence people’s trip-making decisions. To fill a void in the empirical research, this study examines the potential for induced trip-making at mixed-use developments by analyzing data obtained from a survey of travelers at a typical mixed-use site in Plano, Texas. The analysis found that during both the morning and afternoon study periods, at least some percentage of internal trips at the case study site were induced, and not “captured” from the external street network as is typically assumed. Induced travel by land-use pair and travel mode are also reported. In spite of these induced trips, a reduction in regional vehicle-miles traveled can still be realized at mixed-use development sites due to the propensity for those trips to be made on foot. This induced travel also has implications for the development of traffic impact studies for proposed mixed-use sites, which generally assume that all internal trips are replacing external trips. Planners, policy makers, politicians, and other stakeholders are encouraged to consider the implications of induced travel in the mixed-use environment when exploring mixed-use developments as a land-use solution to urban traffic congestion and air quality issues.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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Cited By Count: 2
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