Pittsburgh PCCs By Angela Cotey | October 15, 2016 | Last updated on August 8, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates In the 1950s, two Pittsburgh Railways PCC streetcars have left downtown, crossed the Monongahela River on the Smithfield Bridge, passed the Pittsburgh & Lake Erie depot, and are heading up into the South Hills tunnel. Linn H. Westcott photo