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
Needless purposes: How IBR violates NEPA Read Post »
What City Observatory Did This Week There’s a critical flaw in the planning of the $7.5 billion Interstate Bridge project: Metro’s Kate travel demand model is wildly inflating I-5 traffic numbers. The model claims 164,050
The Week Observed, November 1, 2024 Read Post »
How can we trust Metro’s model to predict the future, when it can’t even match the present? Metro’s Kate travel demand model, used to plan the $7.5 billion Interstate Bridge, includes 25,000 phantom cars per
Metro’s Kate Model: 25,000 phantom cars a day on the I-5 bridge Read Post »
Traffic modeling is guided by a series of professional and administrative guidelines. In the case of the proposed $7.5 Interstate Bridge Replacement Project, IBR and Metro modelers did not follow or violated these guidelines in
IBR traffic modeling violates professional standards and federal rules Read Post »
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 »
