Inner-City Highways

Officials in Washington have come to a consensus on plans to replace the Alaskan Way Viaduct, Seattle's damaged inner-city arterial. They've decided on a $4 billion tunnel, but the plans still need approval from the state legislature.

At one time, Oklahoma City is doing two things many cities have only hoped to: the city's getting rid of one of its aging inner-city highways and replacing it with a park.