Shahid Beheshti University Sustainable Development of Geographical Environment 2476-5805 7 15 2025 12 22 The Explaining Impact of Urban Planners' Participation in Achieving a Slow neighborhood (Case Study: Bagh-e- Feiz Neighborhood, 5th District, Tehran City) The Explaining Impact of Urban Planners' Participation in Achieving a Slow neighborhood (Case Study: Bagh-e- Feiz Neighborhood, 5th District, Tehran City) 105 120 105639 10.48308/sdge.2025.236869.1213 FA Negar Khoshtarash Department of Urban Planning, Qazvin Branch, Islamic Azad University, Qazvin, Iran Journal Article 2024 09 11 Introduction: Urban development challenges have emerged globally due to rapid urbanization and inadequate attention to citizens’ need for urban tranquility. These challenges manifest through reduced security, traffic congestion, inadequate urban services, and social inequalities. The lack of information and awareness, absence of institutional trust, resource limitations, hierarchical decision-making structures, resistance to innovation, poor communication between planners and organizations, lack of transparency, and absence of strategic goals represent significant barriers to effective urban planning. These issues create gaps between citizens and institutions, leading to diminished belonging and reduced willingness to protect public spaces. The "Tranquil City" movement emerged to improve quality of life while reducing urban pace and protesting fast development patterns. This study examines the impact of urban planner participation components on achieving a tranquil city in Bagh-e-Feyz neighborhood, District 5, Tehran. Materials and Methods: This research adopts an applied research approach with a descriptive-analytical approach and combines literature review and field data collection. A comprehensive questionnaire was designed to identify factors affecting the realization of quiet cities, using a quantitative approach through structural equation modeling. The theoretical framework includes independent variables (components of urban planners' participation) and a dependent variable (achieving a quiet city). Reliability was assessed using Cronbach's alpha, which showed values above 0.7. Factor loadings for all variables exceeded 0.4, confirming construct reliability and validity. The statistical population consisted of 246 urban planning experts and engineers active in the Bagh-e-Feyz neighborhood, selected due to their professional expertise and deep knowledge of urban planning processes. Using Cochran's formula, 154 individuals were calculated as an appropriate sample size. This study included experts from disciplines including urban planning, geography, architecture, and urban management. Data analysis was performed using SmartPLS software version 4. Results and Discussion: Structural equation modeling analysis revealed significant effects of various variables on urban planners' participation and achieving a quiet city. Urban planners' participation showed the greatest impact on urban quality of life (R² = 0.914). Key factors enhancing participation included improving educational facilities, adhering to sustainability and environmental principles, creating public and recreational spaces, and engaging with residents. The analysis identified critical components such as accessibility and mobility, responsibility in urban actions, participation in urban decision-making, public space management, participation in urban design, and collaboration with local authorities as significant factors. Conclusion: This research demonstrates the critical role of urban planners' participation in achieving sustainable urban development and enhancing urban quality of life. Active participation in planning processes, citizen education initiatives, and creating appropriate urban spaces significantly improve quality of life and strengthen social relations in both old and new urban fabrics. The findings indicate that effective urban planners' participation acts as a catalyst for achieving a tranquil city, requiring comprehensive approaches integrating professional expertise, community engagement, and sustainable development principles. The study provides valuable insights for policymakers and urban planning professionals seeking to implement tranquil city concepts. Introduction: Urban development challenges have emerged globally due to rapid urbanization and inadequate attention to citizens’ need for urban tranquility. These challenges manifest through reduced security, traffic congestion, inadequate urban services, and social inequalities. The lack of information and awareness, absence of institutional trust, resource limitations, hierarchical decision-making structures, resistance to innovation, poor communication between planners and organizations, lack of transparency, and absence of strategic goals represent significant barriers to effective urban planning. These issues create gaps between citizens and institutions, leading to diminished belonging and reduced willingness to protect public spaces. The "Tranquil City" movement emerged to improve quality of life while reducing urban pace and protesting fast development patterns. This study examines the impact of urban planner participation components on achieving a tranquil city in Bagh-e-Feyz neighborhood, District 5, Tehran. Materials and Methods: This research adopts an applied research approach with a descriptive-analytical approach and combines literature review and field data collection. A comprehensive questionnaire was designed to identify factors affecting the realization of quiet cities, using a quantitative approach through structural equation modeling. The theoretical framework includes independent variables (components of urban planners' participation) and a dependent variable (achieving a quiet city). Reliability was assessed using Cronbach's alpha, which showed values above 0.7. Factor loadings for all variables exceeded 0.4, confirming construct reliability and validity. The statistical population consisted of 246 urban planning experts and engineers active in the Bagh-e-Feyz neighborhood, selected due to their professional expertise and deep knowledge of urban planning processes. Using Cochran's formula, 154 individuals were calculated as an appropriate sample size. This study included experts from disciplines including urban planning, geography, architecture, and urban management. Data analysis was performed using SmartPLS software version 4. Results and Discussion: Structural equation modeling analysis revealed significant effects of various variables on urban planners' participation and achieving a quiet city. Urban planners' participation showed the greatest impact on urban quality of life (R² = 0.914). Key factors enhancing participation included improving educational facilities, adhering to sustainability and environmental principles, creating public and recreational spaces, and engaging with residents. The analysis identified critical components such as accessibility and mobility, responsibility in urban actions, participation in urban decision-making, public space management, participation in urban design, and collaboration with local authorities as significant factors. Conclusion: This research demonstrates the critical role of urban planners' participation in achieving sustainable urban development and enhancing urban quality of life. Active participation in planning processes, citizen education initiatives, and creating appropriate urban spaces significantly improve quality of life and strengthen social relations in both old and new urban fabrics. The findings indicate that effective urban planners' participation acts as a catalyst for achieving a tranquil city, requiring comprehensive approaches integrating professional expertise, community engagement, and sustainable development principles. The study provides valuable insights for policymakers and urban planning professionals seeking to implement tranquil city concepts.

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