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 traffic signals have tactile indications that it's safe to cross
Specify whether pedestrian crossings have islands
Specify whether traffic signals have a button for pedestrians
Specify whether traffic signals have sound signals
Specify whether crosswalks have tactile paving
Specify whether kerbs have tactile paving
Determine the heights of kerbs
Survey hairdresser's customers
Specify whether pedestrian crossings have markings
Specify whether pedestrian crossings have islands
Specify whether pedestrian crossings have traffic signals