Specify whether crosswalks have tactile paving
Specify whether pedestrian crossings have markings
Specify whether pedestrian crossings have traffic signals
Specify whether roads have sidewalks
Specify whether pedestrian crossings have islands
Specify whether kerbs have tactile paving
Determine the heights of kerbs
Specify building and roof levels
Survey wheelchair accessibility of places
Specify building and roof levels
Specify whether roads are prohibited for pedestrians