Fatigue is one of the risks that we look to mitigate. The role of technology can come in and intervene, for example, in the operation of a train if the locomotive engineer misses a signal. There are ways that technology can be incorporated to improve the operation of a locomotive, for example. There are other technologies, as well, that will be looked at to improve the inspection of equipment and the inspection of brakes, to really elevate the level and comprehensiveness of inspections. That's also something that's being looked at.
