Specify whether pedestrian crossings have islands

Determine roads lane count

Specify whether roads have lane markings

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

Survey if places still exist

Specify whether traffic signals have a button for pedestrians

Specify whether traffic signals have sound signals

Specify whether crosswalks have tactile paving

Specify whether pedestrian crossings have traffic signals

Specify whether there are crossings at intersections of paths and roads

Specify path surfaces

Specify cycleways width

Survey opening hours

add an underpass under the building.

add a small access road (which even has google streetview) but is missing on OSM.

Building Nr. 51 is missing a part.

add a small sidewalk next to the grass

adapt size of cemetary. The rowing club is not inside the cemeteray

add path between rowing club building and lake. Add footpath which is a shortcut coming from the lake towards the city

Survey opening hours