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67,822 result(s) for "Urban transportation."
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Institutional Barriers to Sustainable Transport
Through an examination of transport planning in Australia, this book challenges conventional wisdom by showing, through original research, how 'car dependence' is as much an institutional as a technical phenomenon. The authors' case studies in three metropolitan cities show how transport policy has become institutionally fixated on a path dominated by private, road-based transport and how policy systems become encrusted around investment to accommodate private cars, erecting an impenetrable barrier against more sustainable mobility and accessibility solutions. The findings are applicable to most cities of the developed world, and to fields beyond transport planning.
The end of automobile dependence : how cities are moving beyond car-based planning
Cities will continue to accommodate the automobile, but when cities are built around them, the quality of human and natural life declines.Current trends show great promise for future urban mobility systems that enable freedom and connection, but not dependence.
Street Fight
Faced with intolerable congestion and noxious pollution, cities around the world are rethinking their reliance on automobiles. In the United States a loosely organized livability movement seeks to reduce car use by reconfiguring urban space into denser, transitoriented, walkable forms, a development pattern also associated with smart growth and new urbanism. Through a detailed case study of San Francisco, Jason Henderson examines how this is not just a struggle over what type of transportation is best for the city, but a series of ideologically charged political fights over issues of street space, public policy, and social justice. Historically San Francisco has hosted many activist demonstrations over its streets, from the freeway revolts of the 1960s to the first Critical Mass bicycle rides decades later. Today the city’s planning and advocacy establishment is changing zoning laws to limit the number of parking spaces, encouraging new carfree housing near transit stations, and applying “transit first” policies, such as restricted bus lanes. Yet Henderson warns that the city’s accomplishments should not be romanticized. Despite significant gains by livability advocates, automobiles continue to dominate the streets, and the city’s financially strained bus system is slow and often unreliable. Both optimistic and cautionary, Henderson argues that ideology must be understood as part of the struggle for sustainable cities and that three competing points of view—progressive, neoliberal, and conservative—have come to dominate the contemporary discourse about urban mobility. Consistent with its iconic role as an incubator of environmental, labor, civil rights, and peace movements, San Francisco offers a compelling example of how the debate over sustainable urban transportation may unfold both in the United States and globally.
Assembling Policy
Policymakers are regularly confronted by complaints that ordinary people are left out of the planning and managing of complex infrastructure projects. In this book, Sebastián Ureta argues that humans, both individually and collectively, are always at the heart of infrastructure policy; the issue is how they are brought into it. Ureta develops his argument through the case of Transantiago, a massive public transportation project in the city of Santiago, proposed in 2000, launched in 2007, and in 2012 called \"the worst public policy ever implemented in our country\" by a Chilean government spokesman. Ureta examines Transantiago as a policy assemblage formed by an array of heterogeneous elements -- including, crucially, \"human devices,\" or artifacts and practices through which humans were brought into infrastructure planning and implementation. Ureta traces the design and operation of Transantiago through four configurations: crisis, infrastructuration, disruption, and normalization. In the crisis phase, humans were enacted both as consumers and as participants in the transformation of Santiago into a \"world-class\" city, but during infrastructuration the \"active citizen\" went missing. The launch of Transantiago caused huge disruptions, in part because users challenged their role as mere consumers and instead enacted unexpected human devices. Resisting calls for radical reform, policymakers insisted on normalizing Transantiago, transforming it into a permanent failing system. Drawing on Chile's experience, Ureta argues that if we understand policy as a series of heterogeneous assemblages, infrastructure policymaking would be more inclusive, reflexive, and responsible.
A multinomial probit analysis of shanghai commute mode choice
Commute trips account for a large portion of travel demand in peak hours and significantly influence the operation of urban transportation systems. In this paper, we apply a fully flexible multinomial probit (MNP) model for the analysis of commute mode choice behavior, and compare this MNP model with more traditional discrete choice models, including the multinomial logit (MNL), the cross-nested logit (CNL), the heteroscedastic independent MNP (HI-MNP), and the homoscedastic non-independent MNP (HONI-MNP). The two-variate bivariate screening (TVBS) approach, a recently developed analytical evaluation for the multivariate normal cumulative distribution (MVNCD) function, is employed. The sample for analysis is drawn from a web-based travel survey conducted in Shanghai. Overall, from a data fit perspective at, both the disaggregate and aggregate levels, the MNP clearly outperforms all the other four models, underscoring the importance of considering both heteroscedasticity as well as correlated error terms when estimating mode choice models. Policy implications are also examined and discussed.
Urban Transportation Concept and Sustainable Urban Mobility in Smart Cities: A Review
In order to create a sustainable future for the urban environment in s=Smart cities, it is necessary to develop a concept of urban transport, partially reduce the use of traditional transport, primarily cars, as well as the environmental pressure on society, which is essential to move to a sustainable urban future. In the latest discussions on the future of the urban transport system, the quality of the environment, and the possibility of its improvement are discussed, this issue became especially relevant with the onset of the pandemic, when the lockdowns were introduced. The problem of sustainable transport in urban areas has been recognized in academic studies, searching for appropriate models and solutions. The article presents the latest literature review and illustrates the newest trends with several examples. VOS Viewer software has been used to classify the different keywords, according to their co-citation, following clustering techniques. By analyzing the research conducted by other researchers, it has been possible to structure the ecosystem and trends in the Urban Transportation Concept, also mentioning likely future trends. Based on the literature analysis of the Sustainable Urban Transport, the authors of the study found that a large group of researchers deal with technical solutions and innovative business models, while the essential behavioral aspects are examined in less detail. Extensive literature analysis allowed the authors to select several solutions to achieve the transformation towards sustainable transportation in urban areas: new vehicle technologies and their environmental factors’ analysis, geographic information systems, the analytic hierarchy process method, the time series analysis of road traffic accidents using multiplicative models, electrification and use of Friedman Analysis of Variance by Ranks, as well as innovations in sharing mobility.
Exploring spatial heterogeneity in the impact of built environment on taxi ridership using multiscale geographically weighted regression
Due to its flexibility and door-to-door service, taxis are an integral part of the urban transportation system. They have become an essential solution to the first/last mile problem. Even though much research has been conducted on the effects of built environment variables on taxi passengers’ travel behaviors, few have accounted for the spatial heterogeneity embedded in multiscale spatial processes. This study applies multiscale geographically weighted regression (MGWR) to investigate the associations between taxi ridership and spatial contexts to address the gaps. The MGWR considerably improves modeling fit compared to the global OLS model by capturing the spatially varying processes at different scales. The results demonstrate the existence of strong spatial non-stationarity in the various built environment factors affecting the spatial distribution of taxi pick-ups and drop-offs. Specifically, increased residential density induces more taxi demand in areas with less access to public transportation than their surrounding units. Increasing bus coverage where bus coverage is relatively low may attract more commuters to adopt taxi plus bus mode for commuting. Road network density has a more substantial effect on taxi ridership in the south end of the city than in the north. The former is characterized by lower road density. This study reveals the complex relationships between the built environment and the distribution of taxi ridership at different spatial scales and provides valuable insights for transport planning, taxi resource allocation and urban governance.
The role of access and egress in passenger overall satisfaction with high speed rail
Passenger satisfaction is critical to ridership growth of high speed rail (HSR). Each HSR trip includes at least four segments: access to HSR stations, waiting, line-haul, and egress from HSR stations. Satisfaction with any segment influences the HSR passenger experience. Previous studies often focus on passenger satisfaction with the line-haul segment, but overlook the effects of all four segments on overall HSR satisfaction, especially access and egress. Using a path analysis on the data collected from the Shanghai-Nanjing HSR corridor in 2016, this study explores the influence of access and egress segments on overall HSR satisfaction and the correlates of satisfaction with HSR access and egress segments. We find that HSR line-haul satisfaction dominates overall HSR satisfaction; HSR access and egress satisfaction together have an equivalent effect. Travel time and route familiarity are important to both access and egress satisfaction. Mode choice affects satisfaction with HSR egress, with egress by car carrying the largest utility of egress satisfaction, followed by rail transit, taxi, and then bus. Thus, to improve HSR experience, traveler information service and the integration of HSR with urban transportation system are critical.
School Journey as a Third Place
Journeys to school are important time and space transitions between homes and schools for children worldwide. This book comprises various chapters providing insights into children's experiences of this essential aspect of their lives and schooling experience. From an interdisciplinary and intercultural perspective, leading international scholars focus on how children from very different contexts travel between their homes and their schools and how this transitional space impacts their daily lives and interactions with their environment. The way to and from school becomes a third place for some children who develop meaningful social and environmental relationships, mix up with children who belong to different groups, learn, relax, and so on. Studies from a wide range of disciplines and using different methods have highlighted benefits and risks related to children's journey to school, providing insightful data regarding modes of transportation, health and wellbeing issues, school organisation and legislation, safety or urban development, and so on.