The aim of our research is to study opinions of people upon the pedestrian conditions in urban spaces. The goal is to evaluate, based on the perception of citizens, the existence of certain walkability factors that contribute to the quality of service of the pedestrian environment. Walkability factors are related to mobility, connectivity, comfort, safety and convenience. As a result, a pedestrian satisfaction index could be derived, which might reveal the citizens' quality of life and the need

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... for developing comfortable, healthy and safe pedestrian networks. Results show the willingness of people to walk more, but also the obstacles that prevent them from doing so. Our study is important for the better understanding of walkability issues in urban spaces, especially for developing technology solutions and strategies for local governments in the quest of realizing the vision of the smart city.