Pioneer electrification By Angela Cotey | September 28, 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 Baltimore & Ohio’s Howard Street Tunnel below downtown Baltimore was the site of the first “steam-railroad” electrification in America. This view at Mount Royal station is from shortly after the start of service in 1895. Classic Trains coll. Share this article Print Facebook