Add material information to benches

Other edits in context of: Specify path surfaces

Survey tactile paving on steps

Survey artwork type

Specify which way leads up for steps

Specify whether steps have a ramp

Specify whether steps have handrails

Other edits in context of: Specify surfaces

Specify path surfaces

Specify surfaces

Survey small map features

Specify sidewalk surfaces

Specify whether roads have sidewalks

Specify whether pedestrian crossings have traffic signals

Specify whether there are crossings at intersections of paths and roads

Specify whether crosswalks have tactile paving

Specify type or existence of pedestrian crossing markings

Specify whether public transport stops have bins

Specify whether public transport stops have benches

Specify whether public transport stops have shelters