Ever since Portland adopted an urban growth boundary (UGB), there have been numerous and very legitimate criticisms of the policy. The boundary has increased housing prices, devalued the properties of certain land owners, and robbed consumers of housing styles they might prefer. But there is one potential negative that has been overlooked–and is rather ironic–given the plan’s original intentions. The boundary may be driving suburban sprawl to points well beyond the Portland metro area…[read the rest here]