Unable to answer "What’s the surface here?" – Marked Cycle Crossing – way/1247709816 via StreetComplete 57.3:

No visible marking.

Attached photo(s):
https://westnordost.de/p/213105.jpg

"Mural festival 2024"
OSM snapshot date: 2024-05-28T17:19:44Z
POI name: La liberté vandalisée
POI types: tourism-artwork
#organicmaps ios

On-site confirmation required: According to municipal planning documents a cycleway (track?) was scheduled to be added here in 2023 (Dollard between Salley and La Vérendrye).
Source: https://projetmontreal.org/assets/common/Fiche-Technique-Programmation-cyclable-2023.pdf

Rue fermée pour l’été

"there is a restaurant at this address : Comon 꼬몽 (Verdun), korean food"
OSM snapshot date: 2024-08-10T16:22:45Z
POI has no name
POI types: building-address
#organicmaps android

Do-you know if the new bike path between Lecourt and Notre-Dame is open ?

Makenoize.
http://www.artofmakenoize.com/2014/11/makenoize-streetart-montreal.html

On-site confirmation required: According to municipal planning documents a cycleway (painted lane?) was scheduled to be added here in 2023 (Meilleur between Prieur and Fleury).
Source: https://projetmontreal.org/assets/common/Fiche-Technique-Programmation-cyclable-2023.pdf