Specify whether traffic signals have a button for pedestrians
Specify whether traffic signals have sound signals
Specify whether pedestrian crossings have traffic signals
Specify whether kerbs have tactile paving
Specify whether pedestrian crossings have islands
Determine the heights of kerbs
Determine the heights of kerbs at crossings
Specify whether crosswalks have tactile paving
Survey hairdresser's customers
Specify whether pitches are lit
Determine the heights of kerbs at crossings
Specify whether crosswalks have tactile paving
Specify whether pedestrian crossings have markings
Specify whether pedestrian crossings have islands