I don't have any advice on what you need to do with regard to the petroleum and oil industry.
If you look at what we did in Mississauga, it was: better tank cars, better first responder training, strong mutual aid agreements between companies to enhance emergency response, working very closely with the railways as they deliver their first response, better capacity. There were a whole host of measures in addition to the yard procedures and the number of cars, where you put them on the train, which you've already mentioned.