A Tactile Ground Surface Indicator (TGSI) serves two (2) purposes.The first purpose is to direct individuals with a vision impairment along the safest path of travel.
This known as a directional tactile.
The second purpose is to alert individuals with a vision impairment of a potential hazard that lays ahead such as a stairway or roadway.
This is known as a Hazard tactile.
For more information or installation advice please contact ASN!