#$%^&*AU2018101482A420181108.pdf#####ABSTRACT A tactile ground surface indicator (TGSI) plate to provide information to visually impaired persons, the TGSI plate comprising a single plastic sheet which is pressed or stamped with a plurality of hollow domes, each dome forming a tactile head on an upper surface of the dome, whereby the hollow domes enable the tactile plate to be retrofitted over existing tactile studs by aligning the hollow domes over the top of existing tactile studs that have been previously installed on a ground surface.Schedule 3 1/2 FIGURE 1 A FIGURE 1 B Figue 1o e Fige I C