Glossary

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

24 results found in urban accessibility.

ADA Transition Plan (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…
Accessibility Map (Accessible Route Map, Wheelchair Accessibility Map)
A map that displays information about the physical accessibility features and barriers of an environment, such as the presence of curb ramps, steps, slopes, surface conditions, and accessible entrance…
Bus stop accessibility (Accessible bus stops, Bus stop landmarks)
The design, infrastructure, and information features that make bus stops findable, identifiable, and usable by people with disabilities. For blind and low-vision riders, bus stop accessibility depends…
Citizen Sensing (Citizen Sensor, Participatory Sensing)
A data collection approach in which members of the public use mobile devices or other tools to gather and report information about their environment, contributing to collective datasets that can infor…
Crosswalk detection (Pedestrian crossing detection, Zebra crossing detection)
The automated identification and localization of marked pedestrian crossings in imagery using computer vision techniques. Crosswalk detection can be performed on satellite images, street-level photogr…
Crowdsourced Accessibility (Crowdsourced Accessibility Auditing, Citizen-Sourced Accessibility)
The practice of collecting accessibility information about physical or digital environments through contributions from large numbers of people, rather than relying solely on professional auditors. In …
Crowdsourced Accessibility Mapping (Collaborative Accessibility Mapping, Citizen-Sourced Accessibility Data)
The practice of using contributions from members of the public to identify, report, and map accessibility barriers and features in physical or digital environments. In urban contexts, crowdsourced acc…
Crowdsourced accessibility data (Crowdsourced validation, Accessibility crowdsourcing)
The collection, verification, or enrichment of accessibility-related geographic or environmental information through the coordinated efforts of many distributed contributors, often via web-based platf…
Curb Ramp (Curb Cut, Dropped Kerb, Kerb Ramp)
A small ramp built into or applied to the curb at pedestrian crossings and other transitions between a sidewalk and a roadway, providing a smooth transition for wheelchair users, people with mobility …
Environmental Legibility (Legibility of the Environment, Spatial Legibility)
The ease with which people can perceive, understand, and form mental maps of a physical environment in order to orient themselves and navigate through it. Coined by urban planner Kevin Lynch, legibili…
Geofencing (Geo-Fencing, Virtual Boundary)
Geofencing is a technology that creates virtual geographic boundaries using GPS, RFID, or other location-based data to trigger actions when a device enters or exits a defined area. In accessibility co…
Micromobility (Shared Micromobility, Micro-Mobility)
Micromobility refers to small-scale, lightweight, networked transportation vehicles used to travel short distances, typically weighing under 500 kg and traveling at low to moderate speeds. Examples in…
Paratransit (Demand-responsive transit, Dial-a-ride)
A flexible, on-demand public transportation service that provides rides to people with disabilities who are unable to use fixed-route bus or rail systems. In the United States, the Americans with Disa…
Passive Accessibility Sensing (Automatic Barrier Detection, Breadcrumb Sensing)
A data collection approach that uses smartphone sensors (GPS, accelerometers, gyroscopes) to automatically detect potential accessibility barriers in the physical environment without requiring active …
Personal Delivery Device (PDD, Delivery Robot, Autonomous Delivery Robot, Sidewalk Robot)
Personal delivery devices (PDDs) are small autonomous or semi-autonomous robots that travel on sidewalks and pedestrian pathways to deliver food, packages, and other goods. These devices have been gra…
Project Sidewalk
An open-source web-based crowdsourcing tool developed at the University of Washington that enables volunteers to virtually audit sidewalk accessibility using Google Street View panoramas. Contributors…
Right-of-Way (Pedestrian Right-of-Way, ROW)
Right-of-way refers to the legal right of a pedestrian, vehicle, or other entity to proceed with precedence over others in a specific area of public space. In accessibility, pedestrian right-of-way is…
Sustainable Mobility (Sustainable Transportation, Green Mobility)
Transportation systems and practices that meet current mobility needs without compromising the ability of future generations to meet theirs, emphasizing reduced environmental impact, energy efficiency…
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 …