Multi-lane free-flow toll systems lower the operational risk of highway concessions, according to toll road operator Renovias Concessionária, which implemented the first such system in Brazil.
"Operational risk is lower than manned toll booths as no workers are needed," Renovias maintenance manager Michell Costa told BNamericas.
The system in place on São Paulo state highway SP340 detects the electronic fee collection tags in vehicles using both 5.8GHz and 915MHz frequencies, and captures front and re