PRR in Baltimore By Angela Cotey | February 22, 2023 | 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 An April 1958 view in Baltimore shows PRR’s Union Junction tower, the Calvert Street bridge under construction, the city’s main post office (left), and, beyond the post office, Pennsylvania Station. Don Wood photo