Photo by Will Shieh, via Flickr

That’s I-25 and the Denver skyline in this 2008 photo I found while trolling on Flickr. As one commenter said, a lot of people try long-exposure shots of traffic but few execute it this well. I’d love to see more So Cal-centric traffic shots submitted to The Source.

If you would like to a 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 to view our daily posts.