has the blackest ceiling of all stations (on the eastbound platform). This is because deisel work trains are often held here before entering the Greenwood subway yards, and they smoke up the station ceiling
Downsview:
only station to use lowercase in its name displayed on the subway platform (Spadina uses lowercase displayed on its streetcar platform
Dufferin:
quirk undiscovered
Dundas:
only station where it's not possible to go between northbound and southbound platforms without exiting the fare paid area
Dundas West:
has a former subway carhouse built in to it (Vincent Yard)
Dupont:
architecture throughout station doesn't have any sharp edges
