We're talking about fatigue management and there's a working group involved in that now. We're looking at the different sciences in terms of crew fatigue. I think what's important would be to have schedules as opposed to the system where the crews are on call and once they're on call, then they're available for duty.
I understand TCRC will be here in another week, so you'll get a little bit more information in terms of fatigue management. But it's critical to rail safety.