In 1990, the Americans with Disabilities Act was signed into law. It is intended to prevent discrimination against and to require accommodation for disabled people. One area it addressed was the need for wayfinding signage that was functional for those with a disability.
The design, color and placement of wayfinding signs had been spelled out by the ADA and compliance was required by the law. Sign shops scrambled to understand ADA and start producing ADA-compliant signage.
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