MARC is a commuter rail system in the Washington–Baltimore area. MARC is administered by the Maryland Transit Administration (MTA) and operated under contract by Alstom and Amtrak on track owned by CSX Transportation (CSXT) and Amtrak. In 2023, the system had a ridership of 3,860,600, or about 10,800 per weekday as of the first quarter of 2024, less than pre-COVID-19 pandemic weekday ridership of 40,000.
College Park–University of Maryland station is a Washington Metro and MARC station located in College Park, Maryland, near the University of Maryland, College Park campus. It is served by the Metro Green Line and limited service on the MARC Camden Line. The light rail Purple Line is planned to begin service at the station in 2027.
Interstate 895 (I-895) is an auxiliary Interstate Highway in the US state of Maryland. Known as the Harbor Tunnel Thruway, the highway runs 11.44 miles (18.41 km) between one junction with I-95 in Elkridge and another interchange with I-95 on the east side of Baltimore. I-895 is a toll road that crosses the Patapsco River estuary via the Baltimore Harbor Tunnel, connecting U.S. Route 1 (US 1), I-695, and the Baltimore–Washington Parkway in the southwestern suburbs of Baltimore with US 40 on the east side of Baltimore. In conjunction with a pair of spurs, unsigned I-895A and I-895B, I-895 provides access to the tunnel from I-97 and Maryland Route 2 (MD 2) in Glen Burnie. The highway is designed for through traffic by having partial interchanges that require vehicles from almost all starting points to pass through the tunnel and the tunnel toll plaza, where a $1.40-$6.00 toll is charged to passenger vehicles, before exiting the facility.
Interstate 395 (I-395) is an auxiliary Interstate Highway in the US state of Maryland. Known as Cal Ripken Way, the highway runs 1.98 miles (3.19 km) from I-95 north to Howard Street and Camden Street in Downtown Baltimore, where it provides access to the Inner Harbor and the Baltimore Convention Center. The Interstate also serves the Camden Yards Sports Complex, which contains M&T Bank Stadium and Oriole Park at Camden Yards, homes of the Baltimore Ravens and Baltimore Orioles, respectively. I-395 also serves as the southern terminus of Martin Luther King Jr. Boulevard, an urban arterial that provides a western bypass of Downtown Baltimore and connects I-95 with U.S. Route 40 (US 40), US 1, and I-83. The Interstate is maintained by the Maryland Transportation Authority (MDTA) and, like all Interstates, is a part of the National Highway System.
The Capital Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Maryland and the District of Columbia. The line runs from near Baltimore, Maryland, southwest to Washington, D.C., along the former Baltimore and Ohio Rail Road (B&O) Washington Branch. The subdivision's Alexandria Extension provides a connection to Virginia and points south.
Maryland Route 103 is a state highway in the U.S. state of Maryland. The state highway runs 8.29 miles (13.34 km) from St. Johns Lane in Ellicott City east to Parkway Drive South in Hanover. MD 103 serves as the local complement to MD 100 from Ellicott City in northeastern Howard County through Dorsey to Hanover in northwestern Anne Arundel County. The state highway was constructed from U.S. Route 1 in Elkridge to US 29 in Ellicott City in the 1920s. MD 103's eastern terminus was relocated from Elkridge to US 1 near Dorsey in 1956. When MD 100 was constructed between Glen Burnie and Ellicott City in the 1990s, the state highway was extended to its present western and eastern termini. MD 103 replaced MD 176 from US 1 east to near MD 295.
The Thomas Viaduct spans the Patapsco River and Patapsco Valley between Relay, Maryland and Elkridge, Maryland, USA. It was commissioned by the Baltimore and Ohio Railroad (B&O); built between July 4, 1833, and July 4, 1835; and named for Philip E. Thomas, the company's first president. Some claim it to be the world's oldest multiple arched stone railroad bridge. However, the Sankey Viaduct on the Liverpool and Manchester Railway was opened in 1830 and finally completed in 1833.
Maryland Route 410 (MD 410) is a state highway in the U.S. state of Maryland and known for most of its length as East–West Highway. The highway runs east to west for 13.92 miles (22.40 km) from MD 355 in Bethesda east to Pennsy Drive in Landover Hills. MD 410 serves as a major east–west commuter route through the inner northern suburbs of Washington, D.C., connecting the commercial districts of Bethesda, Silver Spring, and Hyattsville. In addition, the highway serves the industrial area of Landover Hills and the residential suburbs of Chevy Chase, Takoma Park, Chillum, Riverdale, and East Riverdale. The road also connects many of the arterial highways and freeways that head out of Washington. Additionally, it provides a highway connection to transit and commercial hubs centered around Washington Metro subway stations in Bethesda, Takoma Park, Hyattsville, Silver Spring, and New Carrollton–the latter two of which provide additional connections to MARC and Amtrak trains.
St. Denis is an unincorporated community in Baltimore County in Central Maryland, United States, located in Arbutus, south of Baltimore.
Charles Street, known for most of its route as Maryland Route 139, runs through Baltimore and the Towson area of Baltimore County. On the north end, it terminates at an intersection with Bellona Avenue near Interstate 695 (I-695). At the south end, it terminates in Federal Hill in Baltimore. Charles Street is one of the major routes through Baltimore, and is a major public transportation corridor. For the one-way portions of Charles Street, the street is functionally complemented by the parallel St. Paul Street, including St. Paul Place and Preston Gardens, Maryland Avenue, Cathedral Street, and Liberty Street.
U.S. Route 1 (US 1) is the easternmost and longest of the major north–south routes of the older 1920s era United States Numbered Highway System, running from Key West, Florida, to Fort Kent, Maine. In the U.S. state of Maryland, it runs 81 miles (130 km) from the Washington, D.C. line to the Pennsylvania state line near the town of Rising Sun.
The Brunswick Line is a MARC commuter rail line between Washington, D.C., and Martinsburg, West Virginia, with a branch to Frederick, Maryland. It primarily serves the northern and western suburbs of Washington. The line, MARC's second longest at 74 miles, is operated under contract to MARC by Alstom and runs on CSX-owned track, including the Metropolitan, Old Main Line, and Cumberland subdivisions. It is the successor to commuter services provided by the Baltimore and Ohio Railroad (B&O), which date to the mid-19th century.
The Camden Line is a MARC commuter rail line that runs for 39 mi (63 km) between Washington Union Station in Washington, D.C., and Camden Station in Baltimore, Maryland, over the CSX Capital Subdivision and Baltimore Terminal Subdivision. The Baltimore and Ohio Railroad began running commuter service from Baltimore to Ellicott City over part of the current line's trackage on May 24, 1830, making this corridor one of the country's oldest rail routes still in operation. The line was extended to Washington on August 25, 1835. The Camden Line is the shortest MARC line. As of 2019, the Camden Line is a weekday-only service.
Maryland Route 166 is a state highway in the U.S. state of Maryland. The state highway runs 2.71 miles (4.36 km) from Interstate 195 (I-195) in Arbutus north to MD 144 in Catonsville. MD 166 consists of two sections: a short freeway section that serves as a northern continuation of I-195 and provides access to the University of Maryland, Baltimore County (UMBC), and a segment of Rolling Road, a major north–south highway in western Baltimore County. Rolling Road dates to the colonial era as a highway used to transport tobacco from plantations to river ports. North Rolling Road, which connects Catonsville with Woodlawn and Milford Mill, has always been a county highway. South Rolling Road was constructed as a state highway by the early 1920s between what were to become U.S. Route 1 and US 40. Parts of South Rolling Road were transferred to county maintenance after they were severed by the construction of I-95 and a freeway relocation of the southern end of MD 166 in the early 1970s.
Camden Station, now also referred to as Camden Street Station, Camden Yards, and formally as the Transportation Center at Camden Yards, is a train station at the intersection of South Howard and West Camden Streets in Baltimore, Maryland, adjacent to Oriole Park at Camden Yards, behind the B&O Warehouse. It is served by MARC commuter rail service and local Light Rail trains.
Halethorpe station is a passenger rail station located in the unincorporated community of Halethorpe, Maryland, on the Northeast Corridor. MARC Penn Line trains serve the station; Amtrak trains pass through but do not stop.
Muirkirk is a passenger rail station on the MARC Camden Line between the District of Columbia's Washington Union Station and Baltimore's Camden Station. It is located at 7012-B Muirkirk Road over the bridge that carries Muirkirk Road above both the Camden Line and US 1.
Laurel is a historic passenger rail station on the MARC Camden Line in Laurel, Maryland, between the District of Columbia's Washington Union Station and Baltimore's Camden Station.
Dorsey station is a passenger rail station on the MARC Camden Line between Washington, DC and Baltimore's Camden Station in Dorsey, Maryland. The station is located at Exit 7 on Maryland Route 100, a.k.a.; the Paul T. Pitcher Memorial Highway. It was built by MARC in 1996 as a replacement for a former Baltimore and Ohio Railroad station located on Route 103 east of Station House Drive. The former B&O station site is now a condominium development.
The Baltimore Terminal Subdivision is a railroad line owned and operated by CSX Transportation in the U.S. state of Maryland. The line runs from Baltimore to Halethorpe along the original Baltimore and Ohio Railroad (B&O) line, one of the oldest rail lines in the United States and the first passenger railroad line. At its east (north) end, it connects with the Philadelphia Subdivision; its west (south) end has a junction with the Capital Subdivision and the Old Main Line Subdivision.
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