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
Specify whether crosswalks have tactile paving
Specify whether roads have sidewalks
Specify whether roads have sidewalks
Specify whether roads have sidewalks
Specify whether kerbs have tactile paving
Determine the heights of kerbs
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
Specify whether crosswalks have tactile paving
Specify street/place names to addresses