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 Replacemen... →

What City Observatory Did This Week IBR Traffic Forecasts Violate Portland Region’s Climate Commitments.  Portland’s adopted Regional Transportation Plan commits the Metro area to reduce total vehicle miles t... →

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 ... →

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... →

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 yea... →