The Importance of ADA Truncated Domes for the Visually Impaired
One of the ways that the ADA is enforced is through the implementation of various solutions that make public spaces more accessible for people with disabilities. One such solution is the use of truncated domes. Truncated domes are small, raised bumps or domes that are used to create a tactile surface that can be felt underfoot. These domes are used to alert individuals who are blind or visually impaired of their proximity to a potential hazard, such as a street intersection or a transit platform edge. Explanation of Truncated Domes Truncated domes are typically made of a durable material, such as concrete or rubber, and are installed in a grid pattern. The domes are usually between 0.9 and 1.4 inches in height, and have a diameter of 2.35 inches. The surface of the domes must have a coefficient of friction greater than 0.60 when wet. Where are Truncated Domes Used? Track Crossings One of the most common places where truncated domes are used is at track crossings. These d