Urban Planning in the 15-Minute City: Revisited under Sustainable and Smart City Developments until 2030

The 15-minute-city concept represents an increasingly popular urban policymaking and planning paradigm that seeks to shift attention the neighborhood as a “place” rather merely spatial functional unit. core premise of is critical services amenities should be reachable within 15 min walking or cycling from residence. urban-planning principles enable realization 15-minute city variably embody in mixed-use units, proximity-based planning, for active transport, citizen participation innovation intelligence-driven planning. We revisit these premises light emerging social, physical, structural developments through 2030, with focus on European cases. findings provide important additions recommendations cities along themes use land form, governance participation, inclusive digitalization. paper moves discussion forward will helpful planners, policymakers, scholars seeking envision create more sustainable, inclusive, vibrant future cities.