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Category Archives: Blog

Thinking Further on Marchetti’s Constant

April 23, 2026

We’ve been thinking a lot lately about Marchetti’s constant, the idea that people will spend an hour commuting each day, or half an hour each way and adjust lives accordingly based on transportation technologies and housing location choices. Two research papers posted today feed into that with interesting results. Using data from the Canadian Mobility


(Unedited) Podcast Transcript 575: The Urban Truth Collective

April 22, 2026

This week on the Talking Headways Podcast we’re joined by Tom Flood, Grant Ennis, and Brent Toderian to discuss their new communications project, The Urban Truth Collective. We discuss pushing back on falsehoods and conspiracies through positive messaging around cities. Listen to this episode at Streetsblog USA. Find all our past episodes here. Below is


Donald Shoup’s Parking Enforcement Army

I love this superhero introduction story to a parking enforcement officer. Grant Nakamura may not be motorists favorite officer, but his valor in the theater of public rights of way as portrayed by Sacramento Bee writer Ariane Lange is now the stuff of legend. A true Shoupista whether he knows it or not. Of course






(Unedited) Podcast Transcript 573: Civil Rights Enforcement in Transportation Projects

April 1, 2026

This week on the Talking Headways podcast we’re joined once again by Laurel Paget-Seekins of Public Advocates. Laurel discusses transit agency power dynamics, loss of public sector capacity, and how the administration is looking to gut civil rights enforcement mechanisms for transportation projects. Links to Laurel’s website Laurel in Transit and the Transit Data Primer


The Evolution from Big-Box to Big-Warehouse

March 31, 2026

I often write things here to work through ideas I have or connections I’m trying to make. Lately I’ve been thinking about the evolution of cities and how much historical development rhymes with current growth and conditions. And can we use our understanding of rhyming history to come up with solutions to big problems such


(Unedited) Podcast Transcript 572: Evaluating Congestion Pricing Year One

March 25, 2026

This week we’re joined by Stephen Crim, Director, Policy & Analytical Reporting, Central Business District Tolling Program (CBDTP) at the NYMTA. We chat about the MTA’s one year data report on congestion pricing including some of the results and how the data was collected. Stephen also discusses the numerous government data partnerships and enhancements including


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