The BR-101 (also called Translitorânea (transcoastal), officially named Rodovia Governador Mário Covas. and nicknamed Briói in some regions) is a longitudinal highway of Brazil. It is the longest in the country with a length of nearly , and it is considered one of the most important highways in the country, along with BR-116. It crosses 12 Brazilian states: Rio Grande do Norte, Paraíba, Pernambuco, Alagoas, Sergipe, Bahia, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina and Rio Grande do Sul. It also connects more state capitals than any other "rodovia" (highway) in the country. In total, 12 capitals are directly connected by BR-101. Its northern terminus is located in the city of Touros-RN and its southern terminus is located in São José do Norte-RS. It follows virtually the entire east coast of Brazil from Rio Grande do Norte to Rio Grande do Sul. The highway has not been built between two stretches between Peruíbe (SP) and Iguape (SP), and between Cananéia (SP) and Garuva (SC). Between Curitiba and Garuva (SC), the highway was replaced by the BR 101 / BR 376 and was widened by the Paraná government, not by the federal government. The northern section between Curitiba and the border with São Paulo was not built in order to preserve an area of the Atlantic Forest. The Rio-Niterói Bridge is part of the BR-101. Duplication In the southern region of the country, the 312 km section between Curitiba and Florianópolis doubled completely around the year 2000. In 2005, the duplication of the 350 km section between Palhoça - SC and Osório - RS began. The 88.5 kilometers of the Rio Grande do Sul section were delivered only in February 2011; in the southern state of Santa Catarina, the delay was even longer: in 2018, 14.5 km (10 km in Laguna and 2 km in Tubarão) had yet to double. In 2019, the section was completed and opened to traffic. In the Southeast Region of the country, in 2009, the duplication of 26 km between the Santa Cruz district, in the West Zone of the city of Rio de Janeiro, to the Itacuruçá district, in the municipality of Mangaratiba, was opened to the public, a section located in the State of Rio de Janeiro. Janeiro, near the capital of Rio de Janeiro. The urban section that comprises Avenida Brasil is 58 km long and is completely duplicated and