 900,000), and Anel Rodoviário, a kind of "beltway" – indeed it is not circumferential, but connects many highways, such as the federal (BR-ones) so it is not necessary for a large number of cars and trucks to pass through the city centre.Many of these roads are in poor condition, but in the last years many revitalization and rebuilding projects have been started.The bus system has a large number of bus lines going through all parts in the city, and is administrated by "BHTRANS".