Specify type or existence of pedestrian crossing markings
Specify whether kerbs have tactile paving
Determine the heights of kerbs
Specify whether pedestrian crossings have islands
Specify whether pedestrian crossings have traffic signals
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
https://www.openstreetmap.org/note/4830247
https://www.openstreetmap.org/note/4830248
https://www.openstreetmap.org/note/4830249
https://www.openstreetmap.org/note/4830250
https://www.openstreetmap.org/way/1209917842
https://www.openstreetmap.org/note/4830252
https://www.openstreetmap.org/note/4830253
https://www.openstreetmap.org/note/4830262