A Type 4 trolley inbound to Ashmont makes its way over the Shawmut Junction overpass in April 1930
Boston Public Works Department
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/cityofbostonarchives/14859972888/">Shawmut underpass, inward bound car</a> via <a rel="nofollow" class="external text" href="https://www.flickr.com/people/48039697@N05">City of Boston Archives</a>