Specify whether roads have sidewalks
Specify whether roads have sidewalks
Specify whether traffic signals have sound signals
Determine the heights of kerbs
Specify whether pedestrian crossings have markings
Specify whether pedestrian crossings have islands
Specify whether pedestrian crossings have traffic signals
Specify whether roads have sidewalks
Specify whether roads have sidewalks
Specify whether roads have sidewalks
Specify whether roads have sidewalks
Specify whether roads have sidewalks
Specify whether pedestrian crossings have traffic signals
Specify whether there are crossings at intersections of paths and roads