Maybe not exactly what you are looking for but BestTime provides relative foot traffic data (also for Montreal's subway station: Here a free demo page of some

Maybe not exactly what you are looking for but BestTime provides relative foot traffic data (also for Montreal's subway station: Here a free demo page of some subway stations in Montreal: https://besttime.app/demo/radar?q=metro+stations+in++Montreal&map_lat=45.50&map_lng=-73.57&lat_min=45.4463225&lat_max=45.5768728&lng_min=-73.6746808&lng_max=-73.5466719&map_z=12&collection_id=col_354b9a6bddcb404ab56bb5f8c5ffe85e&busy_conf=any&order_by=reviews&order=DESC&lat=45.50&lng=-73.57&radius=40091 https://besttime.app/demo/radar?q=metro+stations+in++Montrea...