I would be extremely concerned with all of the unintended consequences. If we slow trains down to 15 miles an hour through all urban centres across this country and across the United States and North America, there's a whole series of other unsafe situations that would occur. We'd have blocked crossings. We'd have people who—and they have and they will and they do—would get impatient when there are slow moving trains. They would run around gates; they would expose themselves and their families.
I don't think it's as simple as saying there's one silver bullet. The best answer is to eliminate the pre-2011 DOT-111 car. That's the best answer. That is the best way to make it—