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 didn t 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 different programs, each with their own punting streams, for highways, transit, rail and safety. let me cut through the bureaucracy a little bit to give you real-life examples of the confusion. in 2009, the government purchased almost $2 billion on car fleets, but some of those fleet managers are required to purchase alternative fuel vehicles. even in those locations where there are no alternative fuels. they are also required to purchase low emissions