Mayor Ignazio Marino of Rome has banned private vehicles from Via dei Fori Imperiali, built by Benito Mussolini to link his palace in Piazza Venezia to the Colosseum. Initially open to buses and taxis, it will eventually be completely pedestrianized.
San Francisco's got a number of temporary street closures planned this year. Though the prospect of these pedestrian-friendly events is seen as a good sign for the city, this piece argues that their emphasis on corporate sponsorship taints the value.
Mayor Michael Bloomberg has announced plans to close off parts of Broadway in Manhattan to car traffic. The city will experiment with the closing as early as May, creating a large pedestrian zone near Times Square.