julia: here is reporter devin leonard. devin: everyone knows penn station is a mess. many trains, too many people, too many trains. underneath the station is even more worrisome. there are two tubes, one tunnel with two tubes that go under the hudson river and they basically date back to 1910. and they are literally falling apart because they were flooded during hurricane sandy. but if they fail, the whole northeast corridor shuts down and that will cost $100 million a day. there are all sorts of economic statistics about why that's a problem, not just for new york, but for the whole country. carol: i've gone to washington, boston, when you go into the tunnels it gets black. and you're like, in a hole, like i don't know where i am. you throw some numbers out there, 45,000 travelers every weekday in penn station. it is more than laguardia, jfk and newark airports combined. this is a crazy busy station. devin: 650,000 people a day and that's, it's about, it's not what the station was designed for. about a third of that many people. essentially, we are dealing with a sys