It will be interesting to see how this dynamic plays out in Detroit. My impression is that there are similar challenges for suburban areas in Chicago, Milwaukee, Cleveland, St. Louis, Pittsburgh, etc. But there's key differences between each metro area and for each suburb within each metro area. I've been curious how suburbs in Milwaukee would respond to the city's boom. Milwaukee was dominating the metro area in apartment development until 3-4 years ago. The City is still going gang busters but there's been several thousand high quality apartments developed in suburban areas – with many built as life style centers constructed on large suburban brownfield sites. A form of urbanism that apparently appeals to quite a few people and perhaps driven by the fact that so many jobs are still located in suburban job centers – making it impractical for everyone that would like to live downtown to do so.Milwaukee is dominating in office development as well, both in adaptive reuse of historic industrial buildings and in construction of new state of the art office buildings. I think the office construction trends (urban vs suburban) will be particularly interesting to follow in Detroit.A surprising outcome in Milwaukee has been the continued revitalization of some of Milwaukee's industrial suburbs (like West Milwaukee and West Allis). In some respects, industrial decline hit these cities even harder than Milwaukee (with West Allis having suffered the closure of the Allis Chalmers main plant which at its peak employed 45,000 workers). They got density, great highway access, and now are in a position where essentially no brownfield site is too polluted to not attract redevelopment. The surprising dynamic is that this rebirth continues even as these suburbs have gained significant minority populations.

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