Residents of a Minneapolis suburb praise their concrete streets, citing its environmentally safe surface, ability to walk barefoot on them at the height of summer without searing their feet and kids' claims that when they fall from their bikes they are less likely to get "road rash."  When the Edina City Council began preparing to redo roads and underground utilities in the Birchcrest neighborhood, where about 30 percent of streets are concrete, residents sent e-mails and showed up in person to praise concrete. In April, the council decided to replace all of Birchcrest’s concrete streets with asphalt. What's going on? A May 11 article by the Minneapolis StarTribune provides the details. Read more.