Survey whether benches have backrests
Determine the heights of kerbs at crossings
Specify whether pedestrian crossings have islands
Specify whether crosswalks have tactile paving
Determine whether road construction is now completed
Survey tactile paving on steps
Specify whether pedestrian crossings have islands
Specify whether there are crossings at intersections of paths and roads
Specify whether roads have sidewalks
Specify whether roads have sidewalks