Pennsylvania Railroad, Connecting Railway Bridge is a stone arch bridge in Philadelphia, Pennsylvania, that carries Amtrak Northeast Corridor rail lines...

the Pennsylvania Railroad, Baltimore and Ohio Railroad, and the Southern Railway. The railine connected to the Washington and Old Dominion Railroad at...

Monongahela Connecting Railroad (reporting mark MCRR) or Mon Conn was a three-mile industrial railroad line in Pittsburgh, Pennsylvania. It was a subsidiary...

residences. Among their surviving major works are the Pennsylvania Railroad, Connecting Railway Bridge over the Schuylkill River (1866–67), the main building...

Hell Gate Bridge (originally the New York Connecting Railroad Bridge) is a railroad bridge in New York City, New York, United States. The bridge carries...

The Connecting Railway was a subsidiary of the Pennsylvania Railroad, incorporated to build a connection between the Philadelphia and Trenton Railroad and...

Valley Railroad (LVRR) (North Shore Railroad (Pennsylvania)) Maryland Midland Railway (MMID) (Genesee & Wyoming) Middletown & Hummelstown Railroad (MIDH)...

The Pennsylvania Railroad (reporting mark PRR), legal name The Pennsylvania Railroad Company, also known as the "Pennsy", was an American Class I railroad...

Providence and Worcester Railroad and New York and Atlantic Railway (NYAR) currently use the line. It runs from the Hell Gate Bridge over the East River to...

Northern Railway (CL&N) was a local passenger and freight-carrying railroad in the southwestern part of the U.S. state of Ohio, connecting Cincinnati...

piers: the former Monongahela Connecting Railroad Bridge, built in 1887, on the upstream side and the former Hot Metal Bridge, built in 1900, on the downstream...

and Roselle Railway in 1891 brought the line from Roselle into Newark, where passengers connected to the Pennsylvania Railroad. Bridging Newark Bay proved...

Lehigh and Hudson River Railway (L&HR) was the smallest of the six railroads that were merged into Conrail in 1976. It was a bridge line running northeast–southwest...

Trenton Railroad was a railroad from Philadelphia, Pennsylvania to Trenton, New Jersey. Opened in 1832, it became part of the Pennsylvania Railroad system...

The Ohio Connecting Railroad Bridge is a steel bridge which crosses the Ohio River at Brunot's Island at the west end of Pittsburgh, Pennsylvania, United...

The Erie Railroad (reporting mark ERIE) was a railroad that operated in the Northeastern United States, originally connecting Pavonia Terminal in Jersey...

Jersey Midland Railway can trace its roots back to the failed New Jersey, Hudson & Delaware Railroad (NJH&D), chartered in 1832 to connect industrial Paterson...

York Railroad Bridge, in Fairmount Park Pennsylvania Railroad, Connecting Railway Bridge, in Fairmount Park Philadelphia & Reading Railroad Bridge at West...

The Delaware and Hudson Railway (D&H) (reporting mark DH) is a railroad that operates in the Northeastern United States. In 1991, after more than 150...

The Monongahela Railway (reporting mark MGA) was a coal-hauling Class II railroad in Pennsylvania and West Virginia in the United States. It was jointly...

at Pittsburgh, connecting the Pennsylvania Railroad with the P&S via the Monongahela River Bridge (commonly called the Panhandle Bridge) and Grant's Hill...

Northern Central Railway (NCRY) was a Class I Railroad in the United States connecting Baltimore, Maryland, with Sunbury, Pennsylvania, along the Susquehanna...

feeder line connecting its many and varied customers to Class I railroads such as CSX Transportation (CSX) and Norfolk Southern Railway (NS), and regional...

Armstrong County, Pennsylvania, reportedly had a wooden railroad in operation. Granite, coal and cotton railroads 1826: The Granite Railway in Massachusetts...

world's first working railway suspension bridge and for being the bridge that was used by abolitionists running the Underground Railroad to get slaves to freedom...

The Dover and Rockaway Railroad was a section of railroad track completed in 1881 connecting Dover, NJ and Rockaway, New Jersey. It formed an important...

RED-ing) was a Philadelphia-headquartered railroad that provided passenger and freight transport in eastern Pennsylvania and neighboring states from 1924 until...

The Central New England Railway (reporting mark CNE) was a railroad from Hartford, Connecticut, and Springfield, Massachusetts, west across northern Connecticut...

Maryland Railway (reporting mark WM) was an American Class I railroad (1852–1983) that operated in Maryland, West Virginia, and Pennsylvania. It was primarily...

financial assistance from the Pennsylvania Railroad (PRR), built a line from Mount Dallas to Hopewell in July 1863, connecting with the H&BTM. It was merged...