The distress signal system (SOS) also called SOS Poles allows that every three (3) kilometers of distance on the concessioned road, users in case of emergency can communicate by telephone with the Concession call attention operator located in the Operational Control Center (CCO).
The calls made from the road are in real time, you only have to press the call button and this will allow you to report incidents or request any service from the dealer: Workshop car, Crane, Ambulance, Road Inspection and Highway Police.