Determine on which level elements are in a building

Survey wheelchair accessibility of places

Survey if places (shops and other shop-like) still exist

Determine road widths

Specify road smoothness

Specify sidewalk surfaces

Specify whether roads have sidewalks

Specify whether there is street parking and what kind

Specify whether steps have a ramp

Specify building colour

Survey whether places have seating

Survey toilet availabilities

Specify whether crosswalks have tactile paving

Specify whether pedestrian crossings have islands

Specify crossing types

Specify whether there are crossings at intersections of paths and roads

Specify whether roads have sidewalks

Specify whether traffic signals have tactile indications that it's safe to cross

Specify whether traffic signals have a button for pedestrians

Specify whether traffic signals have sound signals