Glossary

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Transit Accessibility(also: Public Transit Accessibility, Transportation Accessibility)

The degree to which public transportation systems — including rail, bus, and subway networks — can be used by people with disabilities and others with mobility needs. Transit accessibility encompasses physical infrastructure (elevators, ramps, raised platforms, tactile…

Transportation Accessibility(also: Accessible Transportation, Mobility Accessibility)

The design and provision of transportation systems, services, and infrastructure that are usable by people with disabilities. Transportation accessibility encompasses physical access to vehicles and transit stops, accessible information systems (route planning, real-time…

Urban Accessibility(also: City Accessibility, Built Environment Accessibility)

The degree to which urban environments, including streets, buildings, public spaces, and transportation systems, can be navigated and used by people with disabilities. Urban accessibility encompasses physical infrastructure such as curb cuts, tactile paving, and accessible…

Virtual Tour(also: 3D Virtual Tour, Digital Walkthrough)

A digital replica of a physical environment, typically captured using 360-degree cameras and depth sensors, that allows users to remotely explore and navigate through a space in a semi-immersive experience. In accessibility contexts, virtual tours offer people with mobility…

Walkability(also: Walkability Index, Pedestrian Accessibility)

A measure of how conducive an area is to walking, considering factors such as the presence, quality, and connectivity of sidewalks, pedestrian crossings, street lighting, and proximity to destinations. Traditional walkability indices like Walk Score focus on distance to…

Wayfinding(also: Navigation, Orientation)

The process by which people orient themselves and navigate through physical or digital environments. Accessible wayfinding encompasses multiple modalities: visual signage with sufficient contrast and text size, tactile maps and guidance paths for blind users, audio announcements…

Wheelchair Accessibility(also: Wheelchair Access, Wheeled Mobility Access)

The degree to which physical environments, facilities, and services can be used by people who use wheelchairs. Wheelchair accessibility encompasses a wide range of factors including doorway widths, ramp availability and slope, floor surfaces, turning radius clearances, table and…

Wheelchair Seating(also: Wheelchair Positioning)

The configuration and customization of a wheelchair's seating components to provide appropriate support, comfort, and functional positioning for the user. Proper wheelchair seating considers trunk support, head positioning, pelvic alignment, and pressure distribution. For users…

Wheelchair-Accessible Taxi(also: WAT, Wheelchair Taxi, Accessible Taxi)

A taxi or on-demand vehicle fitted with a ramp or lift and interior tie-down points that allow a passenger to travel while seated in their wheelchair. Wheelchair-accessible taxis are a core component of paratransit in many cities, dispatched either through general-purpose taxi…