Tactile Ground Surface Indicators(TGSI) are designed to assist the mobility of vision impaired people. The SANS 784:2008 details the shape and layout of this system. Tac-Pave? is an in-situ system
that can be applied to most existing substrates without excavation. Ideal uses: Pram, vehicular & median crossings Escalators & travelators Stairs & ramps Changes in direction Railway platforms
Overheard hazards