Read the full Brookings Institution Congressional Testimony here
The 100 largest metropolitan areas contain just 12 percent of the nation’s land area and 65 percent of its population but account by themselves for 75 percent of the nation’s gross domestic product. They are also where 61 percent of our mortgageable housing units are located, and where 78 percent of all mortgages are that are now in the foreclosure process. On transportation, they are where 78 percent of our interstate highway miles are travelled; where 92 percent of transit miles are ridden, and where 93 percent of rail passengers board.