A big part of this capacity building, of course, is human resources. You've mentioned the number of hires that you have made.
A big issue over recent years has been fatigue of people operating the locomotives. I can only imagine that, through the winter season when they are under strain to move these volumes, this is a recurring issue. I was wondering if I could hear from both CN and CP on this. To what extent has fatigue played a role in delays of shipments? Can you talk about some of the measures that you're putting in place to address it?