BR-226 is a Brazilian federal highway that connects the cities of Natal, Rio Grande do Norte, and Wanderlândia, Tocantins. The highway leaves Natal, cuts the state of Ceará in half, arrives in the capital of Piauí (Teresina) and then cuts the state of Maranhão in half, reaching the north of the state of Tocantins, in the city of Wanderlândia. [1]