The Baltimore and Potomac Tunnel (or B&P Tunnel) is a double-tracked, masonry arch railroad tunnel on the Northeast Corridor in Baltimore, Maryland, just...

passenger line; and of the Penn Line of the Maryland Transit Administration's MARC commuter train service. Both its Baltimore and Potomac Tunnel, bored under...

660-foot (2,334.77-meter) Baltimore and Potomac Tunnel, which opened in 1873 and whose 30 mph (48 km/h) speed limit, sharp curves, and steep grades make it...

and Potomac lies between Pennsylvania Station and the northern portal of the Baltimore and Potomac Tunnel. The Union Railroad joined the Northern Central...

stayed well south of the Baltimore area and inhabited primarily the north bank of the Potomac River in what are now Charles and southern Prince George's...

from Owings Mills to Fulton Junction in Baltimore, and obtained trackage rights from the Baltimore and Potomac Railroad (B&P) for the remaining two miles...

Ezratty, Baltimore in the Civil War (2010), p. 45. The first connection was created with the opening of the Baltimore and Potomac Tunnel in 1873. Ezratty...

Railroad Potomac River Crossing is a 15-acre (6.1 ha) historic site where a set of railroad bridges, originally built by the Baltimore and Ohio Railroad...

located between them, along with a wye at the north end of the Baltimore and Potomac Tunnel to allow trains to bypass Penn Station. PRR opened bidding for...

horse car in Baltimore to the other lines heading north from the city. On June 29, 1873, the Baltimore and Potomac Tunnel through Baltimore was completed...