Submitted:
19 May 2025
Posted:
20 May 2025
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Abstract
Keywords:
1. Introduction
1.1. Background & Research Problem
1.2. Objectives & Research Questions
- How do contemporary urban planning policies address issues of accessibility?
- What are the principal obstacles preventing cities from being completely accessible?
- What is the role of new technologies and participatory planning in improving accessibility?
1.3. Significance of Study
2. Materials and Methods
2.1. Research Design
2.2. Data Collection Methods
- Mobility infrastructure: Ramps, handrails, pathways, and curb cuts
- Wayfinding and signage: Accessible symbols, tactile and Braille elements, and direction signs
- Seating and resting areas: Ergonomic design, spacing, and wheelchair-accessible seating availability
- Parking and transport links: Accessible parking bays, proximity to public transport
- Recreational spaces: Accessible exercise machinery and play areas for all users
2.3. Data Analysis
2.4. Limitations
- Infrastructure limitations: Many cities have legacy infrastructure that is difficult to retrofit for accessibility.
- Financial constraints: Governments often prioritize other urban development projects over accessibility improvements.
- Lack of stakeholder coordination: Accessibility planning requires collaboration among architects, urban planners, policymakers, and advocacy groups, yet coordination efforts are often fragmented.
3. Legal Framework and Technical Specifications
3.1. Theoretical Frameworks on Urban Accessibility
3.2. Existing Urban Accessibility Policies and Guidelines
- The Americans with Disabilities Act (ADA), which mandates accessible public spaces in the U.S.
- The European Accessibility Act, focusing on standardizing accessibility measures across the EU.
- The UN Sustainable Development Goals (Goal 11: Sustainable Cities & Communities), advocating for inclusive urban environments.
3.3. Basic Anthropometric Dimensions
3.4. Technical Specifications for Universal Design
3.4.1. Wheelchair Users
- i.
-
Parking Spaces: Designated parking spaces for individuals with disabilities must be marked in blue and display the International Accessibility Symbol, both on the ground and on signage positioned at a height of 1.50 meters. Clear wayfinding signage should guide users from the parking entrance to these spaces. These spaces must be directly connected to entrances or adjacent sidewalks via inclined surfaces at least 1.20 meters wide, with a slope not exceeding 6%. The cross slope should not exceed 1% to ensure ease of access. Parking spaces should be designed to accommodate different vehicle sizes:
- Standard cars: 3.30m × 5.00m
- Vehicles for wheelchair users: 4.80m × 6.00m
- ii.
- Pedestrian Pathways and Movement: Cross-sectional Slope: Pedestrian pathways should maintain a maximum cross-sectional slope of 1-2%.
- iii.
- Walking Paths: Walking paths should have a compact, smooth, and anti-slip surface. For visually impaired individuals, tactile guiding paths must be integrated to ensure safe navigation.
- iv.
- Ramps: Ramp gradients should be designed based on the required elevation change, with slope and length carefully calibrated to ensure safe and efficient movement for wheelchair users and individuals with mobility impairments (Table 3). For ramps, the requirement for railings is contingent on their length. Ramps shorter than 1.50 meters necessitate a railing on at least one side, whereas ramps exceeding this length must have railings on both sides. Conversely, if the ramp’s length is under 0.60 meters, the installation of a railing is not required. The design of railings for ramps requires them to have a minimum height of 1.10 meters. Additionally, they must be constructed in a manner that prevents any individual from slipping through them, thereby ensuring safety against falls. For outdoor ramps, the installation of double-height handrails is mandated at heights of 0.70 meters and 0.90 meters, accompanied by a metal rod positioned between 0.10 to 0.15 meters high. Furthermore, every 10 meters of ramp length necessitates a landing platform, which should be at least 1.5 meters in length (Figure 2).
- v.
- Spaces for Public Gatherings: Public spaces must accommodate individuals with disabilities, ensuring that wheelchair-accessible areas are integrated into spectator sections. These areas should be spread across different levels and located near spaces for accompanying ambulant individuals. The required ratio of wheelchair spaces varies with seating capacity (e.g., 3 spaces per 50 seats, 5 spaces for 51-100 seats, and 2% of total seating for larger areas). Special attention is given to the design of changing rooms and shower facilities for accessibility.
- vi.
- Pedestrian Paths, Sidewalks, and Squares: Public sidewalks and pedestrian paths must be designed for continuous accessibility. Surfaces must minimize slipping risks, and the pedestrian walkway zone should maintain a minimum width of 1.20 meters, free from obstacles. In areas where the walkway width is constrained, solutions such as adjusting sidewalk height or road elevation should be considered. The minimum unobstructed height within walking zones should be 2.20 meters to ensure accessibility.
- vii.
- Slope & Surface Materials: Surfaces must be designed to avoid slip hazards, using smooth, solid, and anti-slip materials in both dry and wet conditions.
- viii.
- Sidewalks & Ramps: Sidewalks must align with adjacent building entrances, either level or with ramps (max slope 6%). Ramps between sidewalks and pavements must follow the same slope criteria.
- ix.
- Cross Slope of Sidewalks: The cross slope of sidewalks should be between 1-2% for effective rainwater drainage.
- x.
- Floor Coverings: Joints in floor coverings must not exceed 0.010 meters in width and must be flush with the floor level to prevent tripping or wheelchair entrapment.
- xi.
- Water Drainage Grates: Drainage grates should have bars perpendicular to pedestrian traffic or a dense mesh with 0.010m clearances.
- xiii.
- Tactile Floor Markings: In areas with level differences, tactile floor markings must be placed 0.40m from the ends of ramps to guide visually impaired individuals.
3.4.2. Individuals with Visual Impairments
- i.
- Signage for individuals with visual impairments:must incorporate Braille to enhance accessibility and comprehension for visually impaired individuals.
- ii.
- Blind Walking Guide (Tactile Paving):A tactile guide path is used to assist visually impaired individuals in navigating public spaces. The path consists of distinct strips of plates with different textures and colors to provide tactile and visual cues for safer movement.
- iii.
- Dimensional Standards:The minimum width of the tactile guide path must be 0.40 meters.
- iv.
- The guide should be positioned within the free pedestrian walkway, ideally located on the side closest to the road for safety.
- v.
- Sidewalk Tile Specifications:The tiles used for the tactile guide path are made from precast concrete with a yellow color for high visibility. The surface features a special texture to be easily distinguishable underfoot by individuals with visual impairments. The tiles follow the CYS EN TS 15209:2008 standards, and each tile measures 400mm by 400mm with a thickness of 50mm.
- vi.
-
Tactile Ground Surface Indicators (TGSI)are presented in Table 4:
- Type A (GUIDANCE): For guiding individuals along safe paths.
- Type B (DANGER): To indicate hazardous areas or obstacles.
- Type C (WARN): To provide warning of changes or potential dangers in the path.
4. The Case Study
4.1. Site Context
4.2. Observational Analysis and Key Findings
4.3. Accessibility Evaluation by Design Principle
4.4. Summary of Challenges
- Non-compliance with Regulation 61HA.
- Physical barriers such as narrow paths and uneven surfaces.
- Poor maintenance and unsafe infrastructure.
- Absence of inclusive amenities and signage.
- Lack of spatial and functional integration between zones.
4.5. Potential for Transformation
- Inclusive redesign of the amphitheatre and outdoor gym (Zone E);
- Restroom and seating upgrades (Zone C);
- Adaptive play features and improved pathway connectivity (Zone G);
- Bus stop and parking integration (Zones D and F).
4.6. Critical / SWOT Analysis
5. Conclusions
- The findings suggest that governments and urban planners should:
- Adopt mandatory accessibility audits for public infrastructure.
- Encourage community participation in urban planning processes to reflect diverse needs.
- Implement smart technology solutions, such as sensor-based navigation for visually impaired individuals.
- Develop incentive structures for private developers to incorporate accessibility features in new constructions.
5.1. Policy Recommendations for Inclusive Urban Design
- Recommended Policy Actions:
- I.
- Mandate accessibility audits
- II.
- Integrate Universal Design into planning codes
- III.
- Institutionalize participatory design
- IV.
- Provide financial incentives for compliance
- V.
- Adopt smart tools for inclusive navigation
5.2. Future Research
Abbreviations
| Abbreviation | Full Term |
| UD | Universal Design |
| PwD | Persons with Disabilities |
| ISO | International Organization for Standardization |
| CRPD | Convention on the Rights of Persons with Disabilities |
| EU | European Union |
| N/A | Not Applicable (used in observational tables, possibly implied) |
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| Parameter | Figure | |
|---|---|---|
| Dimensions of wheelchair user | ![]() |
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| Anthropometric dimensions | ![]() |
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| Basic dimensions of a wheelchair | ![]() |
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| Wheelchair rotation circle | ![]() |
|
| Walking of a person with visual impairment | ![]() |
|
| Person with a walking aid | ![]() |
|
| Person with a child wheelchair | ![]() |
|
| Parameter | Figure | ||
|---|---|---|---|
| International accessibility symbol | ![]() |
||
| Signage for parking areas | ![]() |
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| Signage for the existence of a ramp | ![]() |
||
| Maximum slope | Maximum length (m) | Maximum height (m) | Handrail required |
|---|---|---|---|
| 5.0% | 10.00 | 0.500 | Yes |
| 5.5% | 8.00 | 0.440 | Yes |
| 6.0% | 5.00 | 0.300 | Yes |
| 6.5% | 4.00 | 0.260 | Yes |
| 7.0% | 3.00 | 0.210 | Yes |
| 7.5% | 1.50 | 0.120 | Yes |
| 8.0% | 0.60 | 0.050 | No |
| 8.3% | 0.50 | 0.040 | No |
| 10.0% | 0.30 | 0.030 | No |
| 12.5% | 0.20 | 0.025 | No |
| 13.3% | 0.15 | 0.020 | No |
| Parameter | Figure |
|---|---|
|
Tactile Ground Surface Indicators Type A – GUIDANCE |
![]() |
|
Tactile Ground Surface Indicators Type B – DANGER |
![]() |
|
Tactile Ground Surface Indicators Type C – WARN |
![]() |
| Zone | Accessibility Strengths | Key Barriers | Priority Interventions |
|---|---|---|---|
| A | Historic context | Uneven pavement, obstacles | Level surface, tactile paths |
| B | Connectivity | Lack of ramps, poor incline | Add compliant ramps |
| C | Central location | Limited signage, seating | Upgrade signs, accessible toilets |
| D | Entry & patio | Vandalism, blocked routes | Clean access, connect pathways |
| E | Amphitheatre & gym | Functional layout | Inaccessible equipment |
| F | Bus stop & fields | None | No seating, poor connection |
| G | Green edge | Neglected | All infrastructure deficient |
| Strengths | Weaknesses |
|---|---|
| Adoption of UD principles | Budget constraints |
| Inclusive redesign plans | High maintenance demand |
| Community engagement potential | Temporary disruption during upgrades |
| Opportunities | Threats |
| Replicability across cities | Community resistance to change |
| Smart tech integration | Vandalism, regulatory delays |
| Environmental upgrades | Biodiversity disruption |
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