which make São Paulo highways the most sophisticated and with the highest safety and service standards of Latin America.
The entire São Paulo system of highways (16 in the total) use a unified non-stop electronic toll collection named "Sem Parar", based on RFID tags glued to the vehicle windshield, which comprises about 34% of the traffic through these roads.
The system has 560,000 of these tags installed and generates 11 million of electronic transactions and revenues of ca.
Within São Paulo, numbering of highways works as follows, starting with letters SP: It is customary in Brazil, and particularly in São Paulo, to give also official names to the highways and roads, usually to pay homage to some politician, significant personality, national hero, etc., or to some symbolic or collective concept.
The main two-lane highways built and maintained by the state of São Paulo are: Other important double- or single-lane roads in the state are: Three metropolitan beltways, or ring systems interconnect several highways, encircling the urban core of the cities of São Paulo, Campinas and Ribeirão Preto: There are also five federal highways which partially cross the state territory, namely: