Glossary

Searchable terminology from accessibility, web standards, and related fields.

32 results found in Physical Accessibility.

Public Digital Terminal (PDT, Self-Service Terminal, Self-Service Kiosk)
A publicly available interactive electronic device that provides services or information to users, such as ATMs, ticket vending machines, check-in kiosks, and information points. Public digital termin…
Shared Mobility (Shared Transportation)
Transportation services in which vehicles, rides, or trips are shared among multiple users, including ridesharing (Uber, Lyft), carsharing (Zipcar), bikesharing, scooter-sharing, microtransit, and — i…
Sidewalk Accessibility (Pedestrian Accessibility, Walkway Accessibility)
Sidewalk accessibility refers to the degree to which pedestrian pathways and related infrastructure — including sidewalks, curb ramps, crosswalks, and pedestrian signals — can be safely and independen…
Step-Free Access (Level Access, Barrier-Free Access)
A route or entrance to a building, transport station, or public space that does not require the use of steps or stairs, enabling access for wheelchair users, people with mobility impairments, parents …
Surface Level Change (Elevation Change, Grade Change)
Any change in the height of the ground or floor surface, including stairs, curbs, ramps, steps, potholes, and raised thresholds. Surface level changes are a significant mobility challenge and safety h…
Tactile Dome (Truncated Dome, Detectable Warning Surface)
Small raised bumps arranged in a grid pattern on ground surfaces to provide a tactile warning of an upcoming hazard, such as a curb edge, train platform edge, or street crossing. Tactile domes are par…
Tactile Modelling (Tactile Demonstration, Touch-Based Instruction)
A teaching technique used in movement and dance education for blind and low-vision learners, where the student physically explores the teacher's body position by touch to understand the shape, form, a…
Tactile Paving (Tactile Ground Surface Indicators, TGSI, Detectable Warning Surface, Truncated Domes)
A system of textured ground surface indicators installed on footpaths, train platforms, and building floors to assist pedestrians who are blind or have low vision with navigation and hazard detection.…
Transit Accessibility (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…
Urban Accessibility (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 …
Wheelchair Seating (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 sup…
Wheelchair-Accessible Taxi (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 …