Payel Roy, Karthik K. Srinivasan, Ganesh Ambi Ramakrishnan
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引用次数: 0
Abstract
Empirical data from several cities worldwide show that low consideration rates of bus transit constitute an important reason for declining transit mode share. This trend raises a critical question: why do not more commuters consider buses for travel? The aim of this paper is to investigate the key deterrents to bus transit consideration among commuters. Consideration refers to the decision of an individual to include a given mode in his/her choice set. Along this line, this study focuses on two important directions. The first is to gain an understanding of how the key factors and their influence on consideration propensity differ across market segments based on personal vehicle availability and accessibility. The second is to quantify the spatial heterogeneity in the influence of those key factors across geographical locations. A new geographically weighted segmented logistic regression (GWSLR) model is proposed to address these research issues. The model is developed using household survey data from a sample of work-commuters from Chennai city, India. The findings reveal that neglecting either segmentation or spatial heterogeneity cannot only result in inaccurate model predictions and inferences, but also lead to sub-optimal policy interventions. Results show that factors influencing consideration differ significantly across segments based on captivity and accessibility. Choice users within walking distance to bus stops can benefit from direct bus service, whereas those beyond walking distance prioritise first-mile connectivity. Results also highlight significant variations in the influence of different factors across locations. Improved walkability in central business districts (CBD) could increase consideration, while non-CBD areas should focus on first-mile connectivity. Finally, this study illustrates that customised policy interventions for specific segments and locations can be more effective in enhancing bus consideration than segment-agnostic or geographically uniform policies.
期刊介绍：
Description
The journal has an applied focus: it actively promotes the importance of geographical research in real world settings
It is policy-relevant: it seeks both a readership and contributions from practitioners as well as academics
The substantive foundation is spatial analysis: the use of quantitative techniques to identify patterns and processes within geographic environments
The combination of these points, which are fully reflected in the naming of the journal, establishes a unique position in the marketplace.
RationaleA geographical perspective has always been crucial to the understanding of the social and physical organisation of the world around us. The techniques of spatial analysis provide a powerful means for the assembly and interpretation of evidence, and thus to address critical questions about issues such as crime and deprivation, immigration and demographic restructuring, retailing activity and employment change, resource management and environmental improvement. Many of these issues are equally important to academic research as they are to policy makers and Applied Spatial Analysis and Policy aims to close the gap between these two perspectives by providing a forum for discussion of applied research in a range of different contexts
Topical and interdisciplinaryIncreasingly government organisations, administrative agencies and private businesses are requiring research to support their ‘evidence-based’ strategies or policies. Geographical location is critical in much of this work which extends across a wide range of disciplines including demography, actuarial sciences, statistics, public sector planning, business planning, economics, epidemiology, sociology, social policy, health research, environmental management.
FocusApplied Spatial Analysis and Policy will draw on applied research from diverse problem domains, such as transport, policing, education, health, environment and leisure, in different international contexts. The journal will therefore provide insights into the variations in phenomena that exist across space, it will provide evidence for comparative policy analysis between domains and between locations, and stimulate ideas about the translation of spatial analysis methods and techniques across varied policy contexts. It is essential to know how to measure, monitor and understand spatial distributions, many of which have implications for those with responsibility to plan and enhance the society and the environment in which we all exist.
Readership and Editorial BoardAs a journal focused on applications of methods of spatial analysis, Applied Spatial Analysis and Policy will be of interest to scholars and students in a wide range of academic fields, to practitioners in government and administrative agencies and to consultants in private sector organisations. The Editorial Board reflects the international and multidisciplinary nature of the journal.
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