Determine the heights of kerbs at crossings
Specify whether steps have a ramp
Determine the heights of kerbs
Specify whether roads have sidewalks
Specify whether steps have a ramp
Specify whether there are crossings at intersections of paths and roads
Determine the heights of kerbs
Determine the heights of kerbs at crossings
Determine the heights of kerbs
Specify whether roads have sidewalks
Specify whether steps have a ramp
Specify whether there are crossings at intersections of paths and roads
Specify whether roads have sidewalks
Determine the heights of kerbs
Specify whether there are crossings at intersections of paths and roads
Specify whether steps have a ramp