What if those old, abandoned railroads in your city were actually a source of urban renewal, equitable economic development and affordable housing? That's what urban planner Ryan Gravel proposed in his 1999 master's thesis. Twenty years later, Gravel's vision is coming closer to reality. On this episode, I share details about the Atlanta BeltLine -  22 miles of railway corridor being redeveloped into a multi-use trail connecting 45 of Atlanta's 242 neighborhoods.