Downtown San Francisco is a tale of two street grids. They converge on Market Street, or in Herb Caen's words, "That obtuse angle that no traffic plan can ever solve." Geoff Boeing, a Ph.D student ...

Mayor London Breed trades liberal-laboratory governance for practical approaches: “I want people to walk around this city and think, ‘Wow, it’s so clean here.’ ” ...

Although it’s not always legal, for many, during a New York City summer there’s no purer joy than dancing in the street with the spray from an open fire hydrant.. Ruben Natal-San Miguel ...