Another flawed Inrix Congestion Cost report

Sigh. Here we are again, another year, and yet another uninformative, and actively misleading congestion cost report from Inrix. More myth and misdirection from highly numerate charlatans. Burying the lede:  Traffic congestion is now lower than it was in 2019, and congestion declined twice as much as the decline in vehicle travel. Today, Inrix released […]

Another flawed Inrix Congestion Cost report Read More »

A reporter’s guide to congestion cost studies

Reporters:  read this before you write a “cost of congestion” story. Congestion cost studies are a classic example of pseudo-science:  Big data and bad assumptions produce meaningless results Using this absurd methodology, you can show: Waiting at traffic signals costs us $8 billion a year—ignoring what it would cost in time and money to have

A reporter’s guide to congestion cost studies Read More »

The case against the I-5 Rose Quarter Freeway widening

Portland is weighing whether to spend as much as $1.45 billion dollars widening a mile-long stretch of the I-5 freeway at the Rose Quarter near downtown. We’ve dug deeply into this idea at City Observatory, and we’ve published more than 50 commentaries addressing various aspects of the project over the past four years.  Here’s a

The case against the I-5 Rose Quarter Freeway widening Read More »

Traffic is declining at the Rose Quarter: ODOT growth projections are fiction

ODOT’s own traffic data shows that daily traffic (ADT) has been declining for 25 years, by -0.55 percent per year The ODOT modeling inexplicably predicts that traffic will suddenly start growing through 2045, growing by 0.68 percent per year ODOT’s modeling falsely claims that traffic will be the same regardless of whether the I-5 freeway

Traffic is declining at the Rose Quarter: ODOT growth projections are fiction Read More »

The IBR project: Too much money for too many interchanges

The real expense of the $5 billion I-5 bridge replacement project isn’t actually building a new bridge over the Columbia River:  It’s widening miles of freeway and rebuilding every intersection north and south of the river.  A decade ago, an independent panel of experts convened by OR and WA governor’s strongly recommended to ODOR and WSDOT

The IBR project: Too much money for too many interchanges Read More »

Blame inflation now: Lying about the latest IBR Cost Overrun

The price of the I-5 “bridge replacement” project just increased by more than 50 percent, from $4.8 billion to $7.5 billion ODOT and WSDOT are blaming “higher inflation” for IBR cost overruns As we’ve noted, the Oregon Department of Transportation has a long string of 100 percent cost-overruns on its major projects.  Almost every large

Blame inflation now: Lying about the latest IBR Cost Overrun Read More »