So long, Ma & Pa By | June 24, 2022 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates On Aug. 5, 1958, the last Maryland & Pennsylvania train from Baltimore heads north across the trestle at Sharon, Md., shortly before the road abandoned the south half of its 77-mile line between Baltimore & York, Pa. Lawrence W. Sagle photo