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Abstract

Recent developments in the light rapid transit sector have introduced transit modes that are attempting to imitate the performance of others, e.g. buses with tram-like characteristics. The boundaries between existing definitions of what is a bus, tram or train are becoming blurred. For transport studies and practice this requires a review of how we define modes. This is not just a matter of semantics, but has safety and competition regulation implications for system operators. This paper proposes a structure to produce rail- and bus-based transit mode definitions and typology that are appropriate for modern use. A decision tree is used to classify and define the transit modes as guided-bus, trolley-bus, light rail and tram-train and is provided with example systems. The paper provides a robust definitional framework that allows transit system promoters, operators and other interested parties to have a consistent basis of reference when specifying and comparing rapid transit systems.  相似文献   
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BRT appears to be less expensive to build and operate than tram systems but can it really approach the performance level of a tram system and what is the environmental performance of comparable systems?  相似文献   
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This paper is an exploration of strategies used by households to ensure safe journeys for household members. It has been long been argued that women's travel demand is suppressed. There is no doubt that this is an important issue simply on the grounds that women make up one half of the population but it is also timely and pertinent for policy makers and practitioners as legislation at national and international level asserts and legitimates rights to access, safety and security as demonstrated in the European Union's assertion in the 2007 Green Paper that “Every EU citizen should be able to live and move in urban areas with safety and security”. An understanding of social networks, reciprocity and exchange within and between households is integral to our understanding of travel demand. This paper, through an exploration of micro-social practices, identifies competencies and strategies, such as skills of transaction negotiation, scheduling among household members and across households, escorting, social synchronisation and cost sharing in women's travel, which add to our theoretical understanding of household coping strategies and practices to overcome exclusion. This paper brings together contemporary and historical evidence on the strategies and competencies used by women and in households to ensure safe travel for household members. There is a paucity of data on networked practices and resources which impacts on the efficacy of social policy and societal aspirations for sustainability and inclusion.  相似文献   
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