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Rodoanel Mário Covas
Rodoanel Mário Covas (official designation SP-021) is the planned (and partially built) Greater São Paulo Beltway. Upon its completion, it will have a length of , with a radius of approximately from the geographical center of the city. It was named after Mário Covas, who was mayor of the city of São Paulo (1983–1985) and a state governor (1994-1998/1998-2001) until his death from cancer. It is a controlled access highway with a speed limit of under normal weather and traffic circumstances.
== History ==
The first section was inaugurated in October 2002, starting at the ''Estrada Velha de Campinas'' (lit. Old Road of Campinas), in the northern part of São Paulo, and ending at the Régis Bittencourt highway, in Embu, covering . It crosses Anhangüera, Bandeirantes, Castelo Branco, and Raposo Tavares highways. There are urban accesses to the cities of Osasco and Carapicuíba, but it also crosses through the municipalities of Barueri, Santana de Parnaíba, Embu, Cotia, and São Paulo. The current segment has three tunnels, one of them being the largest and widest one in Brazil, with , 62 viaducts and six bridges.
On September 15, 2006, the State Government announced the start of the construction of the South Segment, which would link the west segment to the Anchieta and Imigrantes highways and ending in Papa João XXIII Avenue in Mauá. It would serve as a corridor for more than 250,000 trucks per month which must go through the city of São Paulo in order to interconnect to or from the city port of Santos, which is accessible via the two highways cited above. During the construction, a major accident happened when three recently installed ledges fell on the Régis Bittencourt highway, hitting three cars and injuring three people. The construction was expected to take almost five years, mainly due to the complex urban zones and difficult terrain it would cross (including a series of artificial lakes and dams and a mountainous region), but it ended up being inaugurated in April 2010, although some sections were missing guard rails and proper traffic signs.
Upon its completion, estimated for 2017, it will have interconnected the Fernão Dias (in the North Segment), Presidente Dutra (opened in 2015) and Ayrton Senna (opened in 2015) East Segment main highways, besides many other smaller ones, thus completely surrounding a large area and constituting by far the mightiest road transportation hub in Latin America.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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