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‪https://www.transportist.org @[email protected]‬ @transportist.mastodon.social.ap.brid.gy Trnsprtst. Rogue Planner. Refreshingly Unromantic. So F*ing Lucid. fRSN. 2%. Research: #Access, #TransportEconomics, #NetworkEvolution, #Traffic.
David M Levinson ⁂









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Peter Bird, in conversation with JohnSimmerman on Active Towns (@activetowns.bsky.social): “There’s this nationwide movement in the US for what ‘wheelmen’ – cyclists – called ’sidepaths.’ This map from 1899 shows all of these cycling routes in the Twin Cities. There were 200 miles of sidepaths.”
With its self-imposed deadline to find a buyer now passed, Bloomberg reports Brightline has reached a point where restructuring feels inevitable.
ICYMI: The ‘b’s’ Knees: Logistic Stage-Transition Rules as Percentile Conventions on a Standardised Time Scale
ICYMI: Transportist: June 2026
New research examines Waymo's California robotaxi trips btw Aug 2023 and Dec 2025. Conclusion: 46% of miles driven involved no one inside the car. That's 40 million miles of deadheading, with Waymo vehicles using road space w/o transporting a human. doi.org/10.32866/001...
The ‘b’s’ Knees: Logistic Stage-Transition Rules as Percentile Conventions on a Standardised Time Scale Recently published: Levinson, D. (2026) The ‘b’s’ Knees: Logistic Stage-Transition Rules as Percentile Conventions on a Standardised Time Scale. Findings, June 1, 2026. [doi] [Data/code]…
The ‘b’s’ Knees: Logistic Stage-Transition Rules as Percentile Conventions on a Standardised Time Scale
A Super El Niño should be called El Hombre.
Transportist: June 2026 Welcome to the latest issue of The Transportist, especially to our new readers. As always you can follow me on Mastodon, BlueSky, or RSS. I have also uploaded a lot of our shareable code and data to Github recently, you might follow that. I will be at WSTLUR 2026 in Beijing…