 The expressway employs a combination of open road, closed road, and barrier toll systems.Northbound toll collection is done at toll barriers at Muntinlupa, where vehicles from the South Luzon Expressway are paid a toll based on their entry point at SLEx, and exits have no toll collection at all.Southbound toll collection is done at the toll barriers upon exit, but for those exiting to SLEx, the toll collection is done on its exits instead.