The most important issue, though, is that you're looking at a system that's totally integrated. You really don't have a problem with that.
Mr. McSweeney, one of the reasons I think the committee wanted to invite you and your industry here is that we wanted to get a sense of all the stakeholders or all the participants in constructing high-speed rail. In your introduction, you wanted to talk about some cost factors. Has your association or any individual member actually done an assessment of what it would cost the constructor--the builder--in cement, concrete, and so on to lay the base for the rail?