Blind road brick is a convenient road facility for the blind to travel safely。Generally, it is paved with three types of bricks, one is the strip direction guide brick, to guide the blind to rest assured, called the marching blind path brick, or the blind path direction guide brick;One is a hint brick with a dot, indicating blindness人前面有障碍，Time to turn，It's called cue blind brick，Or blind path orientation block;The last category is blind road hazard warning tiles，Larger dots，Do not overwatch，Danger ahead。

　　1. The concave and convex model can not only make the blind path safer, but also beautify the environment。

　　2, mainly used for urban roads and railway stations, bus stations, subway platforms, intercity railways, pavement laying, it is a disabled safety guide line