Unable to answer "What is the name of this pedestrian street?" for https://osm.org/way/23631366 via StreetComplete 21.2:

This is a pedestrian overpass over a railway line between Upper Roma St and The Barracks shopping area

Attached photo(s):
https://westnordost.de/p/16426.jpg
https://westnordost.de/p/16427.jpg