说明

I'm not sure why this needs to be explained. It is incredibly irresponsible and dangerous to install a tactile feedback pad on a curb ramps and leave the other side of the crosswalk with no curb ramp. How would someone in a wheelchair get over this curb? What does a visually impaired pedestrian do after they cross the street and find that there's a curb there? When they travel back in the opposite direction, how do they know that they're entering a roadway?