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Falls church, virginia. how did this get to be such a mess? >> reporter: jenna, the current federal approach to transportation was basically established in 1956, long before these hot lanes were being erected on the capitol belt weigh. it didnt even exist then. and in virginia, over my shoulder, the booming met rop lis, before that, it was basically a farm field. the department of transportation has since grown and grown to the point where it involves five doc agency, 6000 employees, 100 differe...