According to local GIS data and NRCanVec, there is another rail track. Satelitte imagery confirms a presence, though it seems abandoned

Missing bike path.
Connects Rue Enstein to Rue John-Molson, roughly following the power lines

City's online map: https://carte.ville.quebec.qc.ca/mobile?z=3&x=242031&y=5184013&fondcarte=ReseauCyclable#

New roads in this area.

Nouvelles routes dans cette endroit

Ref: Carte Interactive (Ville de Quebec), https://www.pointedeschatels.ca/terrains-disponibles.php