@Override
 public void handleEvent(PersonEntersVehicleEvent event) {
   Double startWaitingTime = agentsWaitingData.get(event.getPersonId().toString());
   if (startWaitingTime != null) {
     Tuple<String, String> lineRoute = linesRoutesOfVehicle.get(event.getVehicleId().toString());
     WaitTimeData data =
         waitTimes.get(lineRoute).get(stopOfVehicle.get(event.getVehicleId().toString()));
     data.addWaitTime((int) (startWaitingTime / timeSlot), event.getTime() - startWaitingTime);
     agentsWaitingData.remove(event.getPersonId().toString());
   }
 }