Andrea Broaddus

The "parking puzzle" plagues cities all over the world, but it gets easier to solve when good ideas are shared. Andrea Broaddus and Michael Kodransky attended the recent World Parking Symposium and report back on some of the latest technologies and innovations.

An American transportation planner reports from the 17th annual Polis Conference -- where European city leaders recently gathered to exchange advice on innovative local transportation strategies -- and wonders what lessons U.S. cities can learn from its counterparts in the E.U.