The London Underground is a public rapid transit system serving London and some parts of the adjacent counties of Buckinghamshire, Essex and Hertfordshire in the United Kingdom.
Namma Metro, also known as Bengaluru Metro is a metro system serving the city of Bengaluru, India. It is currently the second longest operational metro network in India after the Delhi Metro. On the other hand, Namma Metro was ranked the 83rd largest metro system in terms of length and the 79th largest metro network in terms of number of operating stations in the world. It also contains the first underground metro line in South India. The metro network consists of two colour-coded lines, with a total length of 42.3 kilometres serving 41 stations. The system has a mix of underground, at-grade, and elevated stations using standard-gauge tracks. The metro has an average daily ridership of 315,000 passengers. By 2021, the system is expected to complete its phase 2 network and provide connectivity to the city's important tech hubs of Electronics City and White Field.
The Doha Metro is a rapid transit system currently under construction in Doha, Qatar's capital city, that is scheduled to become operational by the end of 2019. It will have four lines with an approximate overall length of 300 km and 100 stations. It will be an integral component of the larger Qatar Rail network, which will include a long-distance rail for passengers and freight, linking Qatar to the GCC, and the Lusail LRT. Capable of reaching 100km/h, the Doha Metro will be one of the fastest driverless trains in the world.
The Delhi Metro is a metro system serving Delhi and its satellite cities of Faridabad, Gurgaon, Bahadurgarh, Noida and Ghaziabad in the National Capital Region of India. Delhi Metro Rail Corporation Limited (DMRC), a state-owned company with equal equity participation from the Government of India and the Government of Delhi, built and operates the Delhi Metro. It is the second oldest metro in India after the Kolkata Metro.
The New York City Subway is a rapid transit system owned by the City of New York and leased to the New York City Transit Authority, a subsidiary agency of the state-run Metropolitan Transportation Authority (MTA). Opened in 1904, the New York City Subway is one of the world's oldest public transit systems, one of the world's most used metro systems, and the metro system with the most stations. It offers service 24 hours per day on every day of the year, though some routes may operate only part-time.
The Central Artery/Tunnel Project (CA/T), known unofficially as the Big Dig, was a megaproject in Boston that rerouted the Central Artery of Interstate 93, the chief highway through the heart of the city, into the 1.5-mile (2.4 km) Thomas P. O'Neill Jr. Tunnel. The project also included the construction of the Ted Williams Tunnel, the Leonard P. Zakim Bunker Hill Memorial Bridge over the Charles River, and the Rose Kennedy Greenway in the space vacated by the previous I-93 elevated roadway. Initially, the plan was also to include a rail connection between Boston's two major train terminals. Planning began in 1982; the construction work was carried out between 1991 and 2006; and the project concluded on December 31, 2007 when the partnership between the program manager and the Massachusetts Turnpike Authority ended.
The Hyderabad Metro is a rapid transit system, serving the city of Hyderabad, Telangana, India. It is in Secant Operational model. It is being implemented entirely on public-private partnership (PPP) basis, with the state government holding a minority equity stake. A 30 km stretch from Miyapur to Nagole, having 24 stations was inaugurated on 28 November 2017 by Prime Minister Narendra Modi. No other rapid transit metro service in India opened for public operations on such a long stretch of 30 km. As of October 2018, it is the second longest operational metro network in India after the Delhi Metro, after a 16 km stretch between Ameerpet-LB Nagar Metro route was opened on 24 September 2018. It is estimated to cost ₹18,800 crore (US$2.6 billion). As of August 2018, about 160,000 people use the Metro per day. Trains are moderately crowded during the morning and evening hours, when employees travel to and from work.. A ladies only coach was introduced on all the trains from 7 May 2018.
The Noida Metro is an under-construction metro system connecting the twin cities of Noida and Greater Noida in Uttar Pradesh, India. The metro network consists of one colour-coded line, with a total length of 29.7 kilometres serving 22 stations. The system has a mix of at-grade and elevated stations using standard-gauge tracks. Services will operate daily with a headway varying between 5–10 minutes. The trains will be composed of four cars. The power input is supplied by 25kV AC. Trials started in January 2018, while the line is expected to be open for full commuter service by August 2018.
Sydney Metro is a future automated rapid transit system in Sydney, New South Wales, Australia. Sydney will be the first Australian city to build a metro system. The network will be controlled by the New South Wales Government's transport authority, Transport for NSW, and will be part of the authority's Opal ticketing system.
The Washington Metro, known colloquially as Metro and branded Metrorail, is the heavy rail rapid transit system serving the Washington metropolitan area in the United States. It is administered by the Washington Metropolitan Area Transit Authority (WMATA), which also operates Metrobus service under the Metro name. Besides the District of Columbia, Metro serves several jurisdictions in the states of Maryland and Virginia. In Maryland, Metro provides service to Montgomery and Prince George's counties; in Virginia, to Arlington and Fairfax counties and the independent city of Alexandria. Combined with its ridership in the independent Virginia cities of Falls Church and Fairfax, the Metro service area is largely coextensive with the inner ring of the Washington metropolitan area. The system is currently being expanded to reach Dulles International Airport and Loudoun County, Virginia. It operates mostly as a subway in the District itself, while most of the suburban tracks are at surface level or elevated.
The Moscow Metro is a rapid transit system serving Moscow, Russia and the neighbouring Moscow Oblast cities of Krasnogorsk, Reutov, Lyubertsy and Kotelniki. Opened in 1935 with one 11-kilometre (6.8 mi) line and 13 stations, it was the first underground railway system in the Soviet Union. As of 2018, the Moscow Metro excluding the Moscow Central Circle and Moscow Monorail has 214 stations and its route length is 364.9 km (226.7 mi), making it the seventh longest in the world. The system is mostly underground, with the deepest section 84 metres (276 ft) underground at the Park Pobedy station, one of the world's deepest.
The Kolkata Metro is a rapid transit system serving the Kolkata metropolitan area in the Indian state of West Bengal. The network currently consists of one operational line of 27.22 km from Noapara to Kavi Subhash with five other lines in various phases of construction. The Kolkata Metro was the first metro railway in India, opening for commercial services from 1984. On 29 December 2010, Metro Railway, Kolkata became the 17th zone of the Indian Railways, operated by the Ministry of Railways. There are 300 metro services daily carrying over 650,000 passengers making it the second busiest metro system in India.
The Chicago "L" is the rapid transit system serving the city of Chicago and some of its surrounding suburbs in the U.S. state of Illinois. It is operated by the Chicago Transit Authority (CTA). It is the fourth-largest rapid transit system in the United States in terms of total route length, at 102.8 miles (165.4 km) long, and the second-busiest rail mass transit system in the United States, after the New York City Subway.
Bay Area Rapid Transit (BART) is a rapid transit public transportation system serving the San Francisco Bay Area in California. The heavy rail elevated and subway system connects San Francisco and Oakland with urban and suburban areas in Alameda, Contra Costa, and San Mateo counties. BART connects 48 stations along six routes on 112 miles (180 km) of rapid transit lines, including a ten-mile spur line in eastern Contra Costa County which utilizes diesel multiple-unit trains and a 3.2-mile (5.1 km) automated guideway transit line to the Oakland International Airport. With an average of 423,000 weekday passengers and 124.2 million annual passengers in fiscal year 2017, BART is the fifth-busiest heavy rail rapid transit system in the United States.
The Los Angeles Metro Rail is an urban rail transporation system serving Los Angeles County, California. It consists of six lines, including two rapid transit subway lines and four light rail lines serving 93 stations. It connects with the Metro Busway bus rapid transit system and also with the Metrolink commuter rail system. Metro Rail, which had an average daily weekday ridership of 362,135 as of July 2016, is owned and operated by the Los Angeles County Metropolitan Transportation Authority (Metro) and started service in 1990. It has been extended significantly since that time and several further extensions are either in the works or being considered.