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- Building a bicycle suitability map for CoimbraPublication . Tralhao, Lino; Ribeiro, Nuno; Rodrigues, João Coutinho; Sousa, NunoThe adoption of faster modes of transportation (mainly the private car) has changed profoundly the spatial organisation of cities. The increase in distance covered due to increased speed of travel and to urban sprawl leads to an increase in energy consumption, being the transportation sector a huge consumer responsible for 61.5% of total world oil consumption and a global final energy consumption of 31.6% in EU-27 (2007). Due to unsustainable transportation conditions, many cities suffer from congestion and various other traffic problems. Such situations get worse with solutions mostly seen in the development of new infrastructure for motorized modes of transportation, and construction of car parking structures. The bicycle, considered the most efficient among all modes of transportation including walking, is a travel mode that can be adopted in most cities contributing for urban sustainability given the associated environmental, economic and social advantages. In many nations a large number of policy initiatives have focused on discouraging the use of private cars, encouraging the use of sustainable modes of transportation, like public transportation and other forms such as bicycling. Given the importance of developing initiatives that favour the use of bicycle as an urban transportation mode, an analysis of city suitability, including distances and slopes of street network, is crucial in order to help decision-makers to plan the city for bicycle. In this research Geographical Information Systems (GIS) technology was used for this purpose and some results are presented concerning the city of Coimbra.
- Design of bicycling suitability maps for hilly citiesPublication . Tralhao, Lino; Sousa, Nuno; Ribeiro, Nuno; Rodrigues, João CoutinhoSustainability worries related to the intensive use of energy by automobiles and traffic congestion issues have encouraged decision makers to look for alternative solutions, leading to an emerging shift towards soft/active transport modes. The bicycle, a very efficient mode of transport, is a soft travel mode that can be adopted in most cities, contributing to urban sustainability given the associated environmental, economic and social advantages. Cycling, however, also has its deterrents. Among these, it is recognised that slopes play an important role in influencing the choice for this mode of travel. The purpose of this paper is to present methods to analyse a hilly city’s suitability for cycling, in what concerns relief, with the aim of identifying locations for implementation of hard aid devices that restore connectivity between most parts, or even the whole, of the city. The methodology proposed makes use of appropriate service areas. Geographical information systems technology was used to implement the methodology and the approach is demonstrated with a case study for the city of Coimbra, Portugal. This combined approach helps decision makers to plan the city in a sustainable way.