Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- ADA Transition Plan(also: ADA Self-Evaluation and Transition Plan, Accessibility Transition Plan)
- A document required under Title II of the Americans with Disabilities Act (ADA) that outlines how a public entity will make its programs, services, activities, and facilities accessible to people with disabilities. The plan must include an inventory of accessibility barriers, a…
- Access aisle
- A marked, level area adjacent to an accessible parking space that provides critical clearance for people with disabilities to deploy wheelchairs, ramps, or other mobility devices when entering and exiting vehicles. Access aisles must be at least 60 inches wide and are typically…
- Accessible Transportation(also: Inclusive Transportation, Transportation Accessibility)
- Transportation systems, vehicles, infrastructure, and services designed to be usable by people with disabilities, including those with mobility, vision, hearing, and cognitive impairments. Accessible transportation encompasses physical features (wheelchair ramps, tactile paving,…
- Accessible parking(also: Disability parking, Handicapped parking, Reserved parking)
- Designated parking spaces that meet specific design requirements under the Americans with Disabilities Act (ADA) and similar regulations to ensure equitable access for people with disabilities. Accessible parking spaces must have minimum dimensions, adjacent access aisles for…
- Audible Pedestrian Signal(also: APS, Accessible Pedestrian Signal)
- A device attached to a pedestrian crossing traffic signal that conveys the WALK and DON'T WALK phases through non-visual cues — typically beeps, chirps, speech messages, or a vibrating tactile arrow indicating the direction of travel. APS support safe crossing for blind and…
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