Wheelchair Accessibility Symbol - Official ISA Dimensions and Usage Guide #2191655 (License: Personal Use)

This image displays the precise technical drawing of the International Symbol of Access (ISA), also known as the wheelchair symbol, with exact measurements: total height 1050 units, width 1200 units (450 + 750), and key proportional elements like the 150-unit seat depth. The black silhouette is centered on a grid for accurate reproduction in signage, wayfinding systems, and digital accessibility interfaces.

Used in public infrastructure, building codes, web accessibility standards (WCAG), and mobile apps to denote accessible entrances, restrooms, parking, or services; supports compliance with ADA, ISO 21542, and other accessibility regulations.