Rahpooye Memari-o Shahrsazi

Rahpooye Memari-o Shahrsazi

Evaluating the Relationship Between Architectural Environment and Users' Sense of Security in Traditional Bazaars: A Case Study of Tehran's 15 Khordad Bazaar and Shiraz's Vakil Bazaar

Document Type : Original Article

Authors
saeede Kalantari 1
Amir Farajollahi Rad 2
Ali Andaji Garmaroudi 3
AmirHassan Ghasemi Nejhad 4
1 Graduated from the PhD program in Architecture, Department of Architecture, Faculty of Art and Architecture, Tarbiat Modares University, Tehran, Iran.
2 Assistant professor of architecture, Department of Architecture, Faculty of Art and Architecture, Tarbiat Modares University, Tehran, Iran
3 Assistant professor of architecture, Department of Architecture, Pars Institute of Higher Education, Tehran, Iran
4 Department of Computer Science, Capilano University, Vancouver, Canada
10.22034/rau.2026.736068
Abstract
Traditional bazaars have historically functioned as multidimensional public spaces in Iranian cities, serving not merely as commercial hubs but as vital arenas for social cohesion, cultural exchange, and religious gatherings. These complex spatial systems embody the intersection of architectural heritage, urban morphology, and socio-cultural practices, creating environments where daily life, economic transactions, and communal rituals intertwine seamlessly. In pre-modern Iran, bazaars like those in Tehran and Shiraz were designed as linear networks of covered passageways, often integrated with mosques, caravanserais, and public squares, reflecting a holistic urban planning approach that prioritized accessibility, security, and social interaction. Given their enduring significance in contemporary Iranian society—where they continue to attract millions of visitors annually for shopping, tourism, and cultural events—this study presents a rigorous investigation into the architectural and spatial determinants of users' perceived security within two emblematic historic bazaars: Tehran's 15 Khordad Bazaar and Shiraz's Vakil Bazaar. These sites, dating back to the Safavid and Qajar eras respectively, represent archetypal examples of Persian urban design, yet they face modern challenges such as overcrowding, inadequate lighting, and evolving security concerns amid urbanization and globalization.
Our research adopts an innovative mixed-methods framework that synergistically combines quantitative spatial analysis with perceptual surveys to unravel the intricate relationship between built environment characteristics and users' psychological safety. This approach addresses a critical gap in existing literature, where studies on bazaars often focus on historical or economic aspects but overlook the nuanced interplay between spatial configuration and human perception. By integrating computational tools with empirical data collection, the study not only quantifies physical attributes but also captures subjective experiences, offering a comprehensive view of how architecture shapes feelings of safety in these vibrant public spaces. The investigation is particularly timely in the context of Iran's rapid urban development, where preserving historic bazaars while enhancing their safety can contribute to sustainable tourism, cultural heritage conservation, and inclusive urbanism.
The theoretical foundation of this work rests upon three pivotal conceptual pillars that provide a robust lens for analysis. First, Jacobs' (1961) and Newman's (1972) seminal theories on natural surveillance and defensible space posit that spatial configuration inherently influences security perceptions. Jacobs emphasized "eyes on the street" as a mechanism for informal monitoring, where active street life deters crime and fosters community vigilance. Newman extended this by introducing defensible space principles, arguing that territorial markers, clear boundaries, and visual oversight in built environments reduce vulnerability. In bazaars, these ideas translate to how shopfront alignments and passageway widths enable or hinder passive surveillance. Second, Hillier's (1996) Space Syntax Theory provides systematic tools to quantify spatial relationships through metrics like connectivity (number of direct links between spaces), integration (how easily a space connects to the whole system), and choice (potential paths through a network). This theory, rooted in graph-based modeling, has been widely applied to urban layouts to predict movement patterns and social encounters, making it ideal for dissecting the labyrinthine structures of Iranian bazaars. Third, contemporary scholarship on gender-sensitive urban design (Wekerle, 1996; Afshar & Goudarzi, 2013) highlights the unique security concerns of diverse user groups in public spaces. Wekerle underscored how women often experience heightened fear in isolated or poorly lit areas, while Afshar and Goudarzi's work in Iranian contexts reveals cultural nuances, such as the impact of veiling practices or social norms on spatial navigation. This tripartite theoretical lens enables us to transcend conventional architectural analysis by incorporating both objective spatial parameters and subjective user experiences, bridging the gap between physical form and psychological response.
Methodologically, the study implements a robust research design with four sequential phases to ensure comprehensive data collection and analysis. (1) A comprehensive spatial analysis using DepthMapX software—a specialized tool for Space Syntax computations—to compute syntactic values of the bazaars' layouts, generating quantifiable data on integration (using R3 radius for local-scale focus), connectivity, and intelligibility (the correlation between local and global integration). This phase involved digitizing bazaar maps from GIS sources and historical blueprints, followed by axial line modeling to represent lines of sight and movement. (2) Structured questionnaires administered to 100 participants per site (selected via Cochran's formula with 95% confidence level and a 5% margin of error), capturing perceptual data across four validated dimensions: physical environment (assessing lighting, visibility, and maintenance through Likert-scale items), social context (evaluating crowd diversity and interactions), personal experiences (probing prior incidents and self-efficacy), and cultural factors (exploring social norms and media representations). Questionnaires were distributed during peak hours to capture diverse users, including shoppers, vendors, and tourists. (3) Systematic behavioral mapping through field observations documenting pedestrian movement patterns and stationary activities, using time-lapse notation over multiple days to record density, dwell times, and gender distributions in selected zones. (4) Comparative statistical analysis using SPSS 26, employing Pearson correlation to examine relationships between syntactic measures and perceived security scores, alongside regression models to identify predictors and MANOVA for group differences. This phased approach ensures triangulation of data sources, enhancing reliability (Cronbach's α = 0.93 for the questionnaire) and validity through mixed-methods convergence.
The spatial analysis reveals striking configurational differences between the case studies, highlighting how architectural heritage shapes modern user experiences. Tehran's 15 Khordad Bazaar demonstrates superior performance in key syntactic metrics: higher global integration (1.32 vs. 1.08 in Shiraz), greater connectivity (4.7 average connections per space vs. 3.9), and more distributed choice values (0.85 vs. 0.72). These quantitative findings translate to observable spatial qualities—the Tehran bazaar's network facilitates better visual permeability, more continuous shopfront visibility, and shorter sightlines to major decision points such as crossings and courtyards. This configuration aligns with traditional Persian design principles, where interconnected rastehs (market lanes) promote fluid movement and social mixing. Conversely, Vakil Bazaar's segmented layout, characterized by abrupt spatial transitions and longer axial lines, creates isolated zones that potentially compromise natural surveillance. For instance, deeper spaces in Shiraz (average depth 2.73 steps) may foster feelings of enclosure or disorientation, echoing challenges in historic markets where organic growth has led to uneven accessibility. These differences underscore how urban morphology—shaped by historical expansions (Tehran's Qajar-era additions vs. Shiraz's Zand dynasty core)—influences contemporary security dynamics.
Questionnaire results substantiate these spatial findings through perceptual data, providing a human-centered validation of the syntactic analysis. Users consistently rated 15 Khordad higher across all security subscales: physical environment (3.12 vs. 2.87, reflecting better lighting and maintenance), social context (3.05 vs. 2.79, indicating more diverse and positive interactions), personal experiences (2.91 vs. 2.67, with fewer reported incidents), and cultural factors (2.76 vs. 2.52, highlighting stronger norms of communal support). Crucially, regression analysis identifies spatial integration as the strongest predictor of perceived security (β = 0.42, p < 0.01), followed by lighting quality (β = 0.38) and social diversity (β = 0.31). These coefficients suggest that a 10% increase in integration could correlate with up to 4.2% improvement in security perceptions, emphasizing the role of accessible layouts in fostering trust. The instrument's high reliability (α = 0.93) and validity (confirmed through factor analysis) ensure these insights are robust, aligning with broader studies on urban fear.
Behavioral mapping provides further validation, offering dynamic evidence of how spatial qualities manifest in user behavior. Observations revealed 28% higher pedestrian density and 19% longer dwell times in highly integrated spaces of 15 Khordad compared to equivalent zones in Vakil Bazaar, where segmented areas showed quicker transits and avoidance behaviors. These highly integrated zones also exhibit more balanced gender ratios (1.1:1 male-female vs. 1.4:1 in less integrated areas), suggesting that thoughtful spatial configuration can mitigate gender-based security concerns by encouraging inclusive occupancy. For example, courtyards in Tehran serve as natural gathering points, enhancing social surveillance, while Shiraz's longer corridors may deter prolonged stays due to perceived isolation. This phase, conducted over 10 field sessions, complements the static syntactic data with real-time patterns, reinforcing the link between architecture and lived experience.
The study makes three principal contributions to architectural theory and practice, advancing knowledge in urban design and heritage management. First, it establishes an empirical link between space syntax measures and perceived security, demonstrating that intelligible spatial networks with high integration promote both actual safety and psychological comfort—extending Hillier's theory to Middle Eastern contexts. Second, it advances methodological innovation by successfully integrating computational spatial analysis with perceptual surveys—an approach particularly valuable for historic preservation contexts where physical interventions are constrained by conservation laws. This hybrid method offers a replicable model for similar studies, blending digital tools with human insights. Third, it provides culturally-specific design guidelines for Iranian bazaars, emphasizing: (a) maintaining visual continuity through aligned shopfronts to boost surveillance, (b) strategic placement of landmark elements (mosques, tea houses) to enhance spatial legibility and wayfinding, (c) optimizing lighting transitions between covered and open areas to reduce shadows and fear, and (d) programming socially-activated nodes (e.g., cultural events) to sustain natural surveillance and community engagement.
Keywords
Space Syntax
Security
User Participation
Tehran Bazaar
Shiraz Bazaar
Subjects

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  • Receive Date 15 May 2025
  • Revise Date 07 May 2026
  • Accept Date 29 May 2026