This book gathers the proceedings of the XXVII International Conference on Living and Walking in Cities ?Smart Mobility and Shared Urban Spaces?, which was held in Brescia, Italy, on September 11-12, 2025, and brought together international scholars in the fields of transport planning, urban planning, and their synergic integration into urban mobility planning. The book presents studies and research on mobility and quality of life in urban areas, with a specific focus on multimodal mobility, urban public spaces quality as an incentive to active mobility, public transport and new technologies, safe mobility in cities, and spatial-temporal planning and design. Selected by means of a rigorous peer-review process, the contributions highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaborations.