The MBTA Commuter Rail system serves as the commuter rail arm of the Massachusetts Bay Transportation Authority's (MBTA's) transportation coverage of Greater Boston in the United States. Trains run over 394 mi (634 km) of track to 135 stations. It is operated under contract by Keolis, which took over operations on July 1, 2014, from the Massachusetts Bay Commuter Railroad Company (MBCR).
Pinsly Railroad Company, based in Westfield, Massachusetts, was a short line railroad holding company. It was one of the oldest such companies in the United States, and has owned railroads continuously since its founding in 1938. As of 2022 Pinsly's sole railroad subsidiary is the Pioneer Valley Railroad in Massachusetts. In August 2023, Macquarie Infrastructure Partners reached an agreement with Pinsly to acquire the railroad through its subsidiary Gulf & Atlantic Railways.
Pan Am Railways, Inc. (PAR) is a subsidiary of CSX Corporation that operates Class II regional railroads covering northern New England from Mattawamkeag, Maine, to Rotterdam Junction, New York. Pan Am Railways is primarily made up of former Class II regional railroads such as Boston and Maine Corporation, Maine Central Railroad Company, Portland Terminal Company, and Springfield Terminal Railway Company. It was formerly known as Guilford Transportation Industries and was also known as Guilford Rail System. Guilford bought the name, colors, and logo of Pan American World Airways in 1998.
The Old Colony Railroad (OC) was a major railroad system, mainly covering southeastern Massachusetts and parts of Rhode Island, which operated from 1845 to 1893. Old Colony trains ran from Boston to points such as Plymouth, Fall River, New Bedford, Newport, Providence, Fitchburg, Lowell and Cape Cod. For many years the Old Colony Railroad Company also operated steamboat and ferry lines, including those of the Fall River Line with express train service from Boston to its wharf in Fall River where passengers boarded luxury liners to New York City. The company also briefly operated a railroad line on Martha's Vineyard, as well as the freight-only Union Freight Railroad in Boston. The OC was named after the "Old Colony", the nickname for the Plymouth Colony.
The Watuppa Branch is a roughly six-mile freight railroad line in southeastern Massachusetts. The track originates at Mount Pleasant Junction, where it diverges from the New Bedford Secondary, and runs through Dartmouth before terminating in north Westport. The line is owned by the Massachusetts Department of Transportation and is operated by Massachusetts Coastal Railroad, which purchased operating rights from the previous operator, Bay Colony Railroad, in late 2023. The abandoned western portion of the right-of-way is used by the Quequechan River Rail Trail.
The Cape Cod Railroad is a railroad in southeastern Massachusetts, running from Pilgrim Junction in Middleborough across the Cape Cod Canal Railroad Bridge, where it splits towards Hyannis in one direction and Falmouth in the other. It was incorporated in 1846 as the Cape Cod Branch Railroad to provide a rail link from the Fall River Railroad line in Middleborough to Cape Cod.
The Fall River Secondary is a freight railroad line in the U.S. state of Massachusetts, owned by the Massachusetts Bay Transportation Authority, with freight operations handled by the Massachusetts Coastal Railroad; it was formerly owned and operated by CSX Transportation. The line runs from the New Bedford Subdivision at Myricks south to Fall River along a former New York, New Haven and Hartford Railroad line. At its south end, at the Rhode Island state line in Fall River, it becomes a line of the Providence and Worcester Railroad.
The New Bedford Main Line, also known as the New Bedford Subdivision, is a freight railroad line in the U.S. state of Massachusetts owned by the Massachusetts Bay Transit Authority, with freight operations handled by the Massachusetts Coastal Railroad. The line runs from Cotley Junction where it meets the Middleboro Secondary near Weir Village south to New Bedford along a former New York, New Haven and Hartford Railroad line. The Fall River Secondary branches off at Myricks Junction.
The Middleboro Secondary is a railroad line owned by MassDOT in the U.S. state of Massachusetts. The line runs from Attleboro to Middleborough via Taunton.
The Massachusetts Coastal Railroad is a Class III railroad serving south-eastern Massachusetts. The railroad maintains track from Hyannis to Framingham, operating over 135 miles of track between Hyannis and Fall River/New Bedford. The railroad is the successor operator of portions of the Bay Colony Railroad.
Medfield Junction is a railway junction and former train station located in northwest Medfield, Massachusetts. It is the junction of the Framingham Secondary and the former Millis Branch. The station was open from November 1861 until April 1967.
The Dighton and Somerset Railroad, currently referred to as the Dean Street Industrial Track, is a railroad that ran between Fall River and Braintree, Massachusetts. It opened in 1866; from the 1890s to the 1930s and again in the late 1950s, it was the primary rail route from Boston to the South Coast. Passenger service ended in stages with the final regular service in 1958, though freight service on two short segments continues into the 21st century. MBTA Commuter Rail service is proposed to be extended onto the northern part of the line around 2030 as part of the South Coast Rail project.
The Framingham and Lowell Railroad was a railroad in Middlesex County, Massachusetts. It was incorporated in 1870 to provide a rail connection between the growing railroad hub of Framingham and the important mill city of Lowell, passing through the towns of Sudbury, Concord, Acton, Carlisle, Westford and Chelmsford. The 26.1 mile line opened on October 1, 1871.
The Colorado Pacific Railroad is a shortline railroad operating on 122 miles (196 km) of former Missouri Pacific Railroad trackage in southeast Colorado. It interchanges with Union Pacific and BNSF at North Avondale Junction near Boone, and with the Kansas and Oklahoma Railroad at Towner. It is sometimes referred to as the Towner Line or the Towner Railway.
Track 61 is an industrial rail terminal track in South Boston, Massachusetts, also known as the Boston Terminal Running Track. Track 61 is the last remnant of the vast rail yards that once covered much of the South Boston waterfront. Track 61 legally begins at Summer Street, while the line from Bay Junction to Summer Street is the Boston Terminal Running Track and Terminal Yard. However, the names are frequently used interchangeably.
The Millis Branch was a branch of what is now the MBTA Commuter Rail system in Massachusetts, United States. Branching off the still-operating Needham Line at Needham Junction, it ran through the towns of Dover, Medfield, Millis, and Medway. Due to lack of subsidies and poor ridership, the line was cut back to Millis station in April 1966, and all service ended on April 21, 1967, with the exception of some freight use on short portions of the line.
The Delmarva Central Railroad is an American short-line railroad owned by Carload Express that operates 188 miles (303 km) of track on the Delmarva Peninsula in the states of Delaware, Maryland, and Virginia. The railroad operates lines from Porter, Delaware to Hallwood, Virginia and from Harrington, Delaware to Frankford, Delaware along with several smaller branches. The DCR interchanges with the Norfolk Southern Railway and the Maryland and Delaware Railroad. The railroad was created in 2016 to take over the Norfolk Southern Railway lines on the Delmarva Peninsula. The DCR expanded by taking over part of the Bay Coast Railroad in 2018 and the Delaware Coast Line Railroad in 2019.
Middleborough station is an under-construction MBTA Commuter Rail station in Middleborough, Massachusetts. It is expected to open in May 2025 as part of the South Coast Rail project, replacing Middleborough/Lakeville station for regular service. The station will have a single side platform located inside the wye between the Middleborough Main Line and the Middleboro Secondary.
Berkshire and Eastern Railroad (B&E) is a shortline railroad in New England and New York, using tracks owned by Pan Am Southern. Pan Am Southern is jointly owned by CSX Transportation (CSXT) and Norfolk Southern Railway (NS).
The Chicago Rock Island & Pacific Railroad LLC is an American Class III railroad operating in Mississippi, Kansas and Oklahoma. It uses the name and the most recent corporate identity of the first Chicago, Rock Island and Pacific Railroad (1852–1980).
