[1] The 1091 kilometre road connects Areia Branca to Catu.

[2] The highway passes through the driest area and one of the poorest in the country.

In Mossoró, however, there is the largest production of melon in the country, focused on exports.

On the coast of Ceará and Rio Grande do Norte, almost all cashew production also occurs in Brazil.

[3][4][5] In Paulo Afonso, Bahia, there is an important hydroelectric power plant.