Highway department’s are selling multi-billion dollar highway widening projects based on flawed traffic projections. The projections prepared for the predecessor of the proposed $7.5 billion Interstate Bridge Replacement project predicted traffic would grow 1.3 percent per year after 2005. In…
The Interstate Bridge Project’s traffic projections pretend that the massive shift to “work-from-home” never happened The IBR traffic projections rely almost entirely on pre-Covid-pandemic data, and ignore the dramatic change in travel patterns. Traffic on I-5 is still 7 percent…
Oregon and Washington have commissioned not just one forecast of future traffic levels on I-5 and I-205, but three different forecasts. IBR officials are clinging to the one forecast that is the least accurate, and most error-prone, and have chosen…
IBR Traffic Forecasts Violate Portland Region’s Climate Commitments Portland’s adopted Regional Transportation Plan commits the Metro area to reduce total vehicle miles traveled by 12 percent over the next twenty-five years. But the traffic forecasts used to justify the $7.5…
The $7.5 billion Interstate Bridge Replacement Project’s two-decade old “Purpose and Need” statement is simply wrong, and provides an invalid basis for the project’s required Environmental Impact Statement. Contrary to claims by project proponents, the “Purpose and Need” statement isn’t…