The $7.5 billion plan to widen the I-5 bridges across the Columbia River is being sold, in part, based on claims that it will be used by millions of phantom trucks.  Metro’s biased truck modeling
Inventing millions of phantom trucks to sell a wider bridge Read Post »
The Interstate Bridge Project proposes spending $7.5 billion to widen I-5, but misses the real bottleneck. A new, independent analysis by national traffic expert Norm Marshall of Smart Mobility, Inc., shows that the proposed IBR
They’re digging in the wrong place Read Post »
IBR re-wrote the definition of congestion to make I-5 traffic look worse For decades, Oregon DOT has defined traffic congestion as freeway speeds below 35 MPH. Now, for the Interstate Bridge project, IBR has moved
Moving the goalposts: Redefining traffic congestion Read Post »
What City Observatory Did This Week They’re digging in the wrong place:Â Â A new, independent analysis by national traffic expert Norm Marshall of Smart Mobility, Inc., shows that the proposed IBR project fails to fix the
The Week Observed, October 25, 2024 Read Post »
What City Observatory Did This Week Forecasting the impossible: The case for the $7.5 billion Interstate Bridge Replacement project is based on deeply flawed traffic models that ignore the bridge’s capacity limits, and predict plainly
The Week Observed, October 18, 2024 Read Post »
The case for the $7.5 billion Interstate Bridge Replacement project is based on deeply flawed traffic models that ignore the bridge’s capacity limits, and predict plainly unrealistic levels of traffic growth if the bridge isn’t
IBR: Forecasting the impossible Read Post »
