Specify whether traffic signals have tactile indications that it's safe to cross
Specify whether traffic signals have a button for pedestrians
Specify whether traffic signals have sound signals
Survey availability of air compressors
Specify whether pedestrian crossings have markings
Specify whether roads have sidewalks
Specify line_attachment power support
Survey tactile paving on steps
Specify which way leads up for steps
Specify whether steps have a ramp
Specify whether steps have handrails
Specify whether pedestrian crossings have islands
Specify whether kerbs have tactile paving