Tactile Indicator(also called truncated domes, detectable warnings, tactile paving, tactile tile) is system of textured ground surface indicators, its purpose is to provide a tactile surface on public pathways & access routes that can be felt underfoot and recognised as a warning of impending pedestrian hazard or directional information, particularly to the vision impaired or blind.WECHAT/WHATSAPP ID:0086-13026532980.