Straight Lines and Dots of Blind Way Signs
Blind way is a road facility designed to help blind people walk. Usually the lower blind path is paved by two types of bricks. One type is a strip-shaped guide brick, which guides the blind to move forward with confidence, called the marching blind path. Use straight protruding bricks to lay straight roads. The straight protuberances point to the direction of the blind road, that is, follow the straight protruding ones when walking. Each one is 5mm above the ground, and the width should be 0.3-0.6m. It can make the blind stick and the sole of the foot feel, ...