As they post-mortem the housing crisis, policy makers are increasingly putting transportation costs under the microscope. Blueprint America visits the car -dependent suburbs of Phoenix, Arizona, to learn about how transportation costs are making it harder for families to hold on to the American Dream.

If there's a positive from the recession, it's been the fact that U.S. households are lowering their debts and getting their finances back in order. What hasn't changed is that the majority of a family's income still goes to covering housing costs, and the affordability of where you live doesn't always equal the amount you pay in rent or on your mortgage -- it's often times higher, meaning the cost of housing is even more of a majority.

On Saturday, December 27, Phoenix, Tempe and Mesa, Arizona welcomed passengers aboard their brand-new light rail system. The 20-mile, $1.4 billion dollar rail system is a first for the state; until now, Phoenix had been the largest U.S. city without public trains.