6 resultados para Cohesive And Adhesive Failure

em Comissão Econômica para a América Latina e o Caribe (CEPAL)


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Includes bibliography

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Includes bibliography

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Transport planning necessarily takes into account more than just the immediate time-frame. In the case of urban transport, planning needs to come up with solutions in regard to infrastructure which is expensive and may have a useful life extending over several decades. Therefore, planning must take note of economic, technological, social and demographic changes that influence trips undertaken.The purpose of this article is to explore some of the trends that may well be observed in upcoming decades. The article arrives at the conclusion that, in a period of considerable change and uncertainty, failure to take heed of recent trends may result in the construction of infrastructure that is not always the most appropriate and, what is more, that urban development militates against the efficient operation of public transport and, as a result, is likely to jeopardize the sustainability of cities in the long term.

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This issue of the FAL bulletin analyses transport and mobility policy in Latin America, where the lack of integrated public policies for urban mobility and the failure to take coordinated action over time make it difficult to prioritize investments and coordinate existing initiatives (both public and private).

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Electronic transactions are becoming increasingly commonplace in the countries of Latin America and the Caribbean, despite the collapse of many dotcom firms and the failure of e-commerce to make inroads in the region. In the transport sphere, the gradual incorporation of technology in support of processes and the exchange of money flows between players has brought greater versatility, security and flexibility. In public transport, such initiatives take the form of automatic ticket machines and prepaid card dispensing machines. In urban transit, electronic purses used for the supervision and payment of parking time, and in road pricing, electronic toll systems streamline the process of collecting money; this is especially the case with motorways and urban concessions. And in shipping, electronic transfers are increasingly being used for the payment of customs dues and port charges.In view of the importance of the topic and the interest expressed in it, the Transport Unit has begun a study of these issues, and recently published a paper entitled Sistemas de cobro electrónico de pasajes en el transporte público, ("Electronic systems for payment of tickets in public transport") LC/L.1752-P/E, July 2002, on which this issue of the Bulletin is based.