It's new and in Chicago

Chicago officials held a ribbon-cutting ceremony on “the greenest street in America,” a two-mile stretch of Cermak Road and Blue Island Avenue in the city’s Pilsen neighborhood. In addition to new pedestrian and bicycle features, the innovative new street surface will filter stormwater, helping to prevent the city’s combined sewers from overflowing.
The most amazing thing about this green street is that it's made from an almost magical form of cement, a cement that does not just end things right there (being hard for human movement), but a cement that has mastered the incredible trick of consuming pollution.