Detailed Explanation

The International Symbol of Accessibility (ISA), commonly known as the wheelchair symbol, is the universal symbol for accessibility. Developed in 1968, it identifies accessible facilities, entrances, parking spaces, and features. The symbol must be used to identify accessible elements such as accessible entrances (when not all entrances are accessible), accessible restrooms, accessible parking spaces, and areas of refuge. The ISA must meet specific proportion and contrast requirements.

Examples

• •Blue and white ISA on accessible restroom signs
• •ISA on accessible parking space signs
• •ISA identifying accessible entrance when others are not