flooring with inclined ramp in outdoors public space for overcoming an architectural barrier

construction barrier accessibility for persons disabilities wheelchair ramp helpful access disabled handicapped urban incline support facility building activity invalid incapacity inability barrierfree barriersfree accessible disease public safety barriers disability handicap adversity architectural obstacle impediment physical mobility disable disablement invalidity flooring paving pavement paved pathway footway sidewalk pedestrian zone footpathe footpath inclined outdoors space overcom overcoming