Rodovia Régis Bittencourt  Rodovia Régis Bittencourt (official designation in the state of São Paulo SP-230) is a section of the BR-116 that connects the cities of São Paulo and Rio Negro, passing also through Curitiba, Brazil. It is considered one of the most dangerous highways of Brazil, due to the high number of accidents. Sometimes it is even nicknamed "Rodovia da Morte" ("Death Highway"). It also leads the number of ambiental accidents in the state of São Paulo.