In D.C., above and below ground, historic and vital infrastructure is in bad shape. There’s plenty of blame to spread around for that.
The state’s secretary of transportation, Stephanie Pollack, is a liberal in a conservative administration and an advocate in an administrative post. But she’s making it work.
There's a push to tear them down. But they're one of the biggest things driving the urban renaissance.
In an effort to help people become less car-dependent, cities like Denver are getting directly involved in the creation of transportation apps.