This is a material of Tactile Paving (also called Tenji blocks, truncated domes, detectable warnings, etc). It is the beveled surface located at the edge of sidewalks before crosswalks designed to be an indicator of where the road is for accessibility purposes. This material is made in Substance Designer and rendered in Substance Painter. It has several parameters exposed to allow the control of paint wear, dirt wear, rust and main color.