Large, diverse groups can view exhibits at the same time. This is helpful for people who are visual learners or non-English speakers, or who have limited vision, limited color acuity, or cognitive disabilities. Other stations provide audio output, and the tram is equipped with assistive listening devices. Sculptures are placed so they do not constitute protruding objects. The ADA's accessibility requirements apply to both new construction and existing facilities.
New construction includes substantial alterations and additions.
Accessibility as it applies to new construction is required at the onset of a project. Although not required by law, universal design, in many cases, provides equivalent or greater access than current accessibility standards. An architect's or specifier's first priority is to meet all federal, state, and local requirements for accessibility. However, as a professional exercising a greater standard of care, all seven principles of universal design should be incorporated into any building's design and construction. The best possible building incorporates all seamlessly.