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ViaQuatro is a company belonging to Companhia de Concessões Rodoviárias, being responsible for the operation, maintenance and investments of more than US$2 billion in the Line 4 of São Paulo Metro for 30 years, through the first public-private concession contract of the country, in partnership with the Government of the State of São Paulo. In the public-private concession contract signed, it is up to São Paulo Metro to install the civil infrastructure of the Line (stations construction, substations, rail yard and maintenance, tunnels, etc.), being the dealership responsible for the operation and maintenance of the line and acquisition of the rolling material, signaling systems, telecommunications and CCO (Operational Control Center). ViaQuatro fleet Line 4-Yellow has a fleet of 174 vehicles: See also * Line 4 (São Paulo Metro) References External linksViaQuatro official website {{DEFAULTSORT:ViaQuatro Rapid transit in Brazil Electric railways in Brazil Undergrou ...
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São Paulo (city)
São Paulo (; ; Portuguese for 'Paul the Apostle, Saint Paul') is the capital of the São Paulo (state), state of São Paulo, as well as the List of cities in Brazil by population, most populous city in Brazil, the List of largest cities in the Americas, Americas, and both the Western Hemisphere, Western and Southern Hemispheres. Listed by the Globalization and World Cities Research Network (GaWC) as an global city, alpha global city, it exerts substantial international influence in commerce, finance, arts, and entertainment. It is the List of largest cities#List, largest urban area by population outside Asia and the most populous Geographical distribution of Portuguese speakers, Portuguese-speaking city in the world. The city's name honors Paul the Apostle and people from the city are known as ''paulistanos''. The city's Latin motto is ''Non ducor, duco'', which translates as "I am not led, I lead." Founded in 1554 by Jesuit priests, the city was the center of the ''bandeirant ...
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Brazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population, seventh-largest by population, with over 212 million people. The country is a federation composed of 26 Federative units of Brazil, states and a Federal District (Brazil), Federal District, which hosts the capital, Brasília. List of cities in Brazil by population, Its most populous city is São Paulo, followed by Rio de Janeiro. Brazil has the most Portuguese-speaking countries, Portuguese speakers in the world and is the only country in the Americas where Portuguese language, Portuguese is an Portuguese-speaking world, official language. Bounded by the Atlantic Ocean on the east, Brazil has a Coastline of Brazil, coastline of . Covering roughly half of South America's land area, it Borders of Brazil, borders all other countries and ter ...
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Rapid Transit
Rapid transit or mass rapid transit (MRT) or heavy rail, commonly referred to as metro, is a type of high-capacity public transport that is generally built in urban areas. A grade separation, grade separated rapid transit line below ground surface through a tunnel can be regionally called a subway, tube, metro or underground. They are sometimes grade-separated on elevated railways, in which case some are referred to as el trains – short for "elevated" – or skytrains. Rapid transit systems are usually electric railway, electric railways, that unlike buses or trams operate on an exclusive right-of-way (transportation), right-of-way, which cannot be accessed by pedestrians or other vehicles. Modern services on rapid transit systems are provided on designated lines between metro station, stations typically using electric multiple units on railway tracks. Some systems use rubber-tyred metro, guided rubber tires, magnetic levitation (''maglev''), or monorail. The stations typica ...
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Line 4 (São Paulo Metro)
Line 4 (Yellow) () is one of the six lines that make up the São Paulo Metro and one of the thirteen lines that make up the São Paulo Metropolitan Rail Transportation Network. Originally called Southeast-Southwest Line, the line goes from Vila Sônia to Luz and currently has 11 stations along its and transports around 800,000 users/day. It is one of the most modern subway lines in Latin America and the first line in the region to utilize driverless trains and platform screen doors in all stations. Due to fiscal constraints, the construction of the line was divided into two phases: The phase one was completed in 2011 and the phase two was partially inaugurated between 2014 and 2018 and was fully completed by 2021. Now completed, Line 4 - Yellow goes from Vila Sônia to Luz station, in a long stretch. It was expected that the line would be fully completed by 2014. However, the deadline has been repeatedly pushed back and completion was only completed in 2021. It is operated ...
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CCR S
CCR may stand for: Arts and entertainment Music * Creedence Clearwater Revival, an American rock band ** Creedence Clearwater Revival (album), ''Creedence Clearwater Revival'' (album), the 1968 debut album by Creedence Clearwater Revival * Creedence Clearwater Revisited, a rock band formed in 1995 by two former Creedence Clearwater Revival members * Cross Canadian Ragweed, an American country music band Other uses in arts and entertainment * ''ChuChu Rocket!'', a puzzle game for the Sega Dreamcast developed by Sonic Team in 1999 * Yasuo Motoki, a fictional character in ''Wangan Midnight'' Law and prisons * California Code of Regulations, formerly the California Government Code * Center for Constitutional Rights, formerly the Emergency Civil Liberties Committee, a non-profit dedicated to civil and human rights law * Constitutional Court of Romania * Court for Crown Cases Reserved (abbreviation CCR is used in case citations) * Covenant (law), Covenants, Conditions, and Restrictions ...
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Volt
The volt (symbol: V) is the unit of electric potential, Voltage#Galvani potential vs. electrochemical potential, electric potential difference (voltage), and electromotive force in the International System of Units, International System of Units (SI). Definition One volt is defined as the electric potential between two points of a electrical conductor, conducting wire when an electric current of one ampere dissipates one watt of power (physics), power between those points. It can be expressed in terms of SI base units (metre, m, kilogram, kg, second, s, and ampere, A) as : \text = \frac = \frac = \frac = \text\text^2\text^. Equivalently, it is the potential difference between two points that will impart one joule of energy per coulomb of charge that passes through it. It can be expressed in terms of SI base units (metre, m, kilogram, kg, second, s, and ampere, A) as : \text = \frac = \frac = \frac = \text\text^2\text^. It can also be expressed as amperes times ohms (curre ...
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Direct Current
Direct current (DC) is one-directional electric current, flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through a conductor (material), conductor such as a wire, but can also flow through semiconductors, electrical insulation, insulators, or even through a vacuum as in electron beam, electron or ion beams. The electric current flows in a constant direction, distinguishing it from alternating current (AC). A archaism, term formerly used for this type of current was galvanic current. The abbreviations ''AC'' and ''DC'' are often used to mean simply ''alternating'' and ''direct'', as when they modify ''Electric current, current'' or ''voltage''. Direct current may be converted from an alternating current supply by use of a rectifier, which contains Electronics, electronic elements (usually) or electromechanical elements (historically) that allow current to flow only in one direction. Direct current may be converted into alt ...
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Overhead Line
An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, Electric multiple unit, electric multiple units, trolleybuses or trams. The generic term used by the International Union of Railways for the technology is ''overhead line''. It is known variously as overhead catenary, overhead contact line (OCL), overhead contact system (OCS), overhead equipment (OHE), overhead line equipment (OLE or OHLE), overhead lines (OHL), overhead wiring (OHW), traction wire, and trolley wire. An overhead line consists of one or more wires (or Overhead conductor rail, rails, particularly in tunnels) situated over rail tracks, raised to a high electrical potential by connection to feeder stations at regularly spaced intervals along the track. The feeder stations are usually fed from a High voltage, high-voltage Electricity distribution, electrical grid. Overview Electric trains that collect their current from overhead lines use a de ...
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São Paulo Metro
The São Paulo Metro (, ), commonly called the ''Metrô'', is one of the rapid transit companies serving the city of São Paulo, alongside the Companhia Paulista de Trens Metropolitanos, São Paulo Metropolitan Trains Company (CPTM), Via Quatro and Via Mobilidade, all four forming the largest Transport in São Paulo#Rail transport, metropolitan rail transport network of Latin America. The metro system carries about 4,200,000 passengers a day. The six lines in the metro system operate on of route, serving 91 stations. It is complemented by a network of metropolitan trains operated by CPTM and ViaMobilidade, which serve the city of São Paulo and the Greater São Paulo, São Paulo Metropolitan Region. The systems combined form a long network, all accessible via one single ticket. The metropolitan trains differs from Metro because it also serves other municipalities around São Paulo with larger average distance between stations and freight trains operating in some lines. Conside ...
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Hyundai Rotem
Hyundai Rotem Company, often referred to as Hyundai Rotem (), is a South Korean manufacturer of railway rolling stock, railway signalling, defense products and plant equipment. It is a member of Hyundai Motor Group and has presence in more than 50 countries worldwide. As of 2023, Hyundai Rotem has more than 3,900 employees. History As part of the Government of South Korea, government-led restructuring in the wake of 1997 Asian financial crisis, Korea Rolling Stock Corporation (KOROS, ) was founded on 1 July 1999 as a result of the merger between three major rolling stock divisions of Hanjin Heavy Industries, Daewoo Heavy Industries, and Hyundai Mobis, Hyundai Precision Industry. In 2000, Hyundai Precision Industry sold its defence and plant businesses to KOROS, effectively making KOROS an affiliate company of Hyundai Motor Company. Hyundai Precision Industry was renamed as Hyundai Mobis in the same year. In August 2001, in an aftermath of Daewoo Group's dissolution, Daewoo He ...
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South Korea
South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and the Sea of Japan to the east. Like North Korea, South Korea claims to be the sole legitimate government of the entire peninsula and List of islands of South Korea, adjacent islands. It has Demographics of South Korea, a population of about 52 million, of which half live in the Seoul Metropolitan Area, the List of largest cities, ninth most populous metropolitan area in the world; other major cities include Busan, Daegu, and Incheon. The Korean Peninsula was inhabited as early as the Lower Paleolithic period. Gojoseon, Its first kingdom was noted in Chinese records in the early seventh century BC. From the mid first century BC, various Polity, polities consolidated into the rival Three Kingdoms of Korea, kingdoms of Goguryeo, Baekje, and Sil ...
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Rapid Transit In Brazil
There are currently nine metro systems in Brazil, located in the cities of São Paulo, Rio de Janeiro, Brasília, Belo Horizonte, Porto Alegre, Recife, Fortaleza, Salvador, Bahia, Salvador, and Teresina. Currently, in addition to metro systems, Brazil also has seven Light rail, light rail transit systems, such as the Sobral Light Rail, Maceió Urban Rail, Maceió Urban Train System, Cariri Metro, Cariri Light Rail, Baixada Santista Light Rail, Rio de Janeiro Light Rail, VLT Carioca, Sistema de Trens Urbanos de João Pessoa, João Pessoa Urban Train System, and Sistema de Trens Urbanos de Natal, Natal Urban Train System. List of metro and monorail systems in Brazil Operational Proposed Discontinued List of Light Rail Systems in Brazil Operational Discontinued Suburban Rail Operational Discontinued References

Rapid transit in Brazil, {{notelist ...
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