Aceleración de la urbanización global y movilidad sostenible

Acceleration of the processes of global urbanization, especially in developing countries, produces a multitude of impacts, most of them as a result of transport. Responses to an always unsatisfied demand for urban mobility cities have gone through various stages, evolving from the increase in the supply of human and material resources to attempts to manage the demand. The largest offer of transport meant to multiply endowment of infrastructures, to facilitate the mobility of the particular vehicle, but it failed because, among other effects of congestion, pollution and accidents. The further strengthening of public transport services found its limits in the conception of the urban system and transport planned for the particular vehicle. In addition to fulfill those needs meeting the challenges of decarburization of the cities, which means to address the problems of global warming transforming urban displacement in sustainable mobility. An appropriate solution to the problems of urban transport through profound transformations of existing transport systems, involving the same conception of cities and their functions, individual and social relations, as well as improving the alternatives to private vehicles and the use of fossil energy. The article reviews the importance of urban transport in the global sustainability and the problems posed by the processes of urbanization worldwide to achieve it, outlining some guidelines for sustainable mobility