Between Argyle and Bryn Mawr stations on CTA's North Side Main Line, two trains of Bombardier-built 5000-series 'L' cars move south.  On the southbound express track, Track 1, a six-car Purple Line Express from Wilmette and Evanston speeds south, heading for Belmont and the Loop.  Meanwhile on Track 2, a Red Line train departs Bryn Mawr station, headed south towards the State Street Subway and 95th/Dan Ryan.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/23688072@N06">Jonathan Lee</a> from Chicago, IL, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/23688072@N06/15642757850/">Argyle and Bryn Mawr</a>