photo by Mark Johnson, via Flickr

Very nice image of commuters exiting a rail station in…go ahead and guess the city. The answer is after the jump.

To submit a photo or photos of something transportation-related, post them to Metro’s Flickr group or email them to sourcemetro@gmail.com. The photos we’ve featured can be seen in these galleries on Flickr. Or click on the ‘art of transit’ below.

The photo shows one of the portals to the Green Line T station in Copley Square in Boston on a recent snowy day.