Specify which way leads up for steps
Specify whether steps have handrails
Specify whether pitches are lit
Determine the heights of kerbs
Specify whether roads have lane markings
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
Determine the heights of kerbs at crossings
Specify whether roads have lane markings
Specify whether pedestrian crossings have islands
Specify whether there are crossings at intersections of paths and roads