The northern section between Curitiba and the border with São Paulo was not built to preserve an area of the Atlantic Forest.

[5] 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.

The urban section that comprises Avenida Brasil is 58 km long and is completely duplicated and is administered by the municipality of Rio de Janeiro and ends near the beginning of the Río – Niterói Bridge.

The 176.6 km stretch between Rio Bonito and Campos dos Goytacazes was awarded to the company Arteris in 2008, for 30 years.

In February 2019, there was a 59 km section in Alagoas, between São Miguel and Rio Largo, whose inauguration was scheduled for the second half of 2020.

In the Sergipe state, the 67 km stretch between Aracaju and Estância has been completed and the link between Maruim and Propriá is almost interrupted, and the Brazilian army is only carrying out work.

The section of Bahia, with no forecast of completion, will be 165.4 kilometers from Feira de Santana to the border with the state of Sergipe.