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Subterranean transportation

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Transportation

Namma Metro

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.

Transportation

London Underground

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.

Transportation

Delhi Metro

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.

Transportation

New York City Subway

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.

Transportation

Hyderabad 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.

Transportation

Mumbai Metro

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.

Society, Transportation

Bay Area Rapid Transit

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.

Transportation

Mass Rapid Transit (Singapore)

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.

Transportation

Kolkata Metro

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.

Transportation

Chennai Metro

The Chennai Metro is a rapid transit system serving the city of Chennai, Tamil Nadu, India. The system commenced service in 2015 after partially opening the first phase of the project. The network consists of two colour-coded lines covering a length of 35 kilometres (22 mi).

Architecture, Transportation

Big Dig

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.

Transportation

MTR

The Mass Transit Railway is a major public transport network serving Hong Kong. Operated by the MTR Corporation Limited (MTRCL), it consists of heavy rail, light rail, and feeder bus service centred on an 11-line rapid transit network serving the urbanised areas of Hong Kong Island, Kowloon, and the New Territories. The system currently includes 218.2 km (135.6 mi) of rail with 159 stations, including 91 heavy rail stations and 68 light rail stops. The MTR is one of the most profitable metro systems in the world; it had a farebox recovery ratio of 187% in 2015, the world's highest.

Transportation

Moscow Metro

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.

Transportation

Chicago "L"

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.

Transportation

Paris Métro

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.