Underpasses

In one of the world's largest cities, every little bit of space counts in the quest to create respites from the clamor. A popular program in Mexico City is turning vacant and neglected spaces under its freeways into commercial and recreational space.
May 30, 2013   The Washington Post
As part of the new Transbay Transit Center being developed in downtown SF, several new overpasses are being constructed. Rather than allow the oft-forgotten spaces underneath these roads to become seedy, designers are envisioning positive uses.
Oct 3, 2012   The Examiner