Survey if places (shops and other shop-like) still exist
Specify whether traffic signals have tactile indications that it's safe to cross
Specify whether there are crossings at intersections of paths and roads
Specify building and roof levels
Determine on which level shops are in a building
Specify whether kerbs have tactile paving
Specify whether pedestrian crossings have markings
Determine the heights of kerbs
Specify whether pedestrian crossings have traffic signals
Specify fire hydrant positions
Specify whether pedestrian crossings have islands
Determine the heights of kerbs at crossings
Specify whether crosswalks have tactile paving