If you are a regular reader of City Observatory, you know that we’ve been experiencing some technical difficulties for the pas two months. I’m pleased to report that we’ve largely restored the functionality of the
And, we’re back (almost) Read Post »
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
History shows IBR modeling is simply wrong Read Post »
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 traveled by 12 percent over the next
The Week Observed, November 9, 2024 Read Post »
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 onÂ
IBR: Planning for a world that no longer exists Read Post »
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
IBR’s DSEIS uses the least accurate forecast Read Post »
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
IBR contradicts region’s climate commitments Read Post »
