Overpass API query (Overpass turbo web UI)
[out:json][timeout:25];
{{geocodeArea:Hamburg}}->.searchArea;
// gather results
(
way["highway"="steps"](area.searchArea);
);
// print results
out body;
>;
out skel qt;
The data included in steps-hamburg.min.js is from OpenStreetMap. The data is made available under ODbL.