Tunnel (Penn Central RR #1) under Penn Central RR N. of Langhorne, Middletown Township, Bucks County, PA. Maple Av. (PA213) W. 0.6 miles from jct with US1 just E. of Langhorne, N. on Pine St. (PA413 - becomes Langhorne Newtown Rd.) 0.6 miles to the tunnel. (6-25-06, N40 11.08 W74 55.24) Photo by Jack Schmidt.