To hear project officials tell it, traffic projections emerge from the immaculate and objective Metro “Kate” traffic model But in reality, IBR traffic projections are not the outputs of the Kate travel demand model. Instead,
Cooking the Books: How IBR used “Post-Processing” to alter the Metro Model Read Post »
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 »
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 »
The case for the $7.5 billion Interstate Bridge Replacement Project is based on traffic projections from Metro’s “Kate” travel demand model. But there’s a huge problem: Kate doesn’t accurately model even current levels of traffic.Â
Kate: Metro’s wildly inaccurate model overstates current traffic levels Read Post »
