by Meg Muckenhoupt In October 2014, the city of Cambridge finished building its first “shared street” on Longfellow Road, a dead-end street across from Mount Auburn Hospital. One year later, the paving and plantings looked as if they’d always been there. . . and as if it is perfectly natural to have cars, bicycles, pedestrians, and dogs all in the same space. The project began in 2012, when Longfellow Road residents started considering how to repair their street and sidewalk. Several street trees were unhealthy, and needed to be removed—but new trees couldn’t be planted on Longfellow Road because the [READ MORE]