There's a fabulous short film that highlights Montreal and the metro which made it into the 2007 Toronto film festival, called Terminus. Now is "Terminus" a surreal critique of human alienation in the modern (1970s) urban environment? or is the protagonist's struggle an internal one; his mysterious stalker, a manifestation of his repressed subconscious mind? Watch and draw your own conclusions.
http://terminus-movie.com/ or watch on
youtube