Unable to answer "What type of bicycle barrier is this?" – Cycle Barrier – node/9504326854 via StreetComplete 61.2:

Wie würde man so etwas nennen? Das Hindernis steht zwischen Rad- und Gehweg.

Attached photo(s):
https://streetcomplete.app/p/297082.jpg

Unable to answer "Do you have to pay to park here?" – Parking Lot – way/135908315 via StreetComplete 61.2:

Privatparkplatz

Unable to answer "Do these traffic lights have a button to request a walk signal?" – Crossing With Pedestrian Signals – node/44509330 via StreetComplete 61.2:

Da ist keine Ampel