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.
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.
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 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 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.
Mumbai Metro is a rapid transit system serving the city of Mumbai, Maharashtra, and the wider MMR urban agglomeration. The system is designed to reduce traffic congestion in the city, and supplement the overcrowded Mumbai Suburban Railway network. It is being built in three phases over a 15-year period, with overall completion expected in 2025. When completed, the core system will comprise eight high-capacity metro railway lines, spanning a total of 235 kilometres (146 mi), and serviced by 200 stations.
The Mass Rapid Transit, or MRT, is a rapid transit system forming the major component of the railway system in Singapore, spanning most of the city-state. The earliest section of the MRT, between Toa Payoh and Yio Chu Kang, opened on 7 November 1987. The network has since grown rapidly in accordance with Singapore's aim of developing a comprehensive rail network as the backbone of the public transport system in Singapore, with an average daily ridership of 3.031 million in 2015, approximately 78% of the bus network's 3.891 million in the same period.
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 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.
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 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.
The Paris Métro is a rapid transit system in the Paris metropolitan area, France. A symbol of the city, it is known for its density within the city limits, uniform architecture and unique entrances influenced by Art Nouveau. It is mostly underground and 214 kilometres (133 mi) long. It has 303 stations, of which 62 have transfers between lines. There are 16 lines, numbered 1 to 14 with two lines, 3bis and 7bis, which are named because they started out as branches of lines 3 and 7; later they officially became separate lines; the Metro is still numbered as if these lines were absent. Lines are identified on maps by number and colour, and direction of travel is indicated by the terminus.
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 Santiago Metro is the underground railway network serving the city of Santiago, Chile. This network is one of the most modern in Latin America, being the third largest following the Mexico City Metro and the Metropolitan System of Sao Paulo, and it is 7th in frequency worldwide. It currently has six lines, 107 stations, and 118 kilometres (73.3 mi) of revenue route. This service is managed by the state-owned Metro S.A. and is the first of four urban railway systems in Chile, along with the Biotrén of Concepción (1999), Merval of Valparaíso (2005) and inter-urban Metrotrén service (2017).