David M Levinson ⁂
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transportist.org
David M Levinson ⁂
@transportist.org
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.
Pinned
A new starter pack: go.bsky.app/LaeKYA2 . Let me know who else belongs in the comments.
Reposted by David M Levinson ⁂
Vision zero failed in the US because car drivers don’t care about people outside of cars.
America’s plan to protect pedestrians failed. A young woman’s death reveals why.
U.S. officials adopted Europe's Vision Zero initiative, but many cities have seen an increase in pedestrian fatalities despite efforts to improve road safety.
wapo.st
December 5, 2025 at 2:19 AM
Who will win the FIFA Prizes in: Economics, Literature, Physics, Chemistry, and Physiology? Right answers only?
December 6, 2025 at 1:12 AM
Reposted by David M Levinson ⁂
Some really great stuff from @transportist.net about how traffic lights (and streets) could be better configured for pedestrians to improve safety.
December 4, 2025 at 8:51 PM
If Siri is so smart, why is my email response to prospective students not defaulted to “I am not taking new students at this time.“ ? I must type this twice a day now.
December 3, 2025 at 9:26 PM
Reposted by David M Levinson ⁂
December 3, 2025 at 4:05 AM
Carspreading Euro-edition … www.bbc.com/news/article...
'Carspreading’ is on the rise - not everyone is happy
In the UK and across Europe, cars are becoming longer, wider and heavier.
www.bbc.com
December 3, 2025 at 5:12 AM
Carspreading Euro-edition … www.bbc.com/news/article...
'Carspreading’ is on the rise - not everyone is happy
In the UK and across Europe, cars are becoming longer, wider and heavier.
www.bbc.com
December 3, 2025 at 5:09 AM
Transportist: December 2025

Welcome to the latest issue of The Transportist, especially to our new readers. As always you can follow me on Mastodon, BlueSky, or RSS. If you read all the way to the bottom, you will find some roundabout lessons about traffic engineering and public transport in this…
Transportist: December 2025
Welcome to the latest issue of The Transportist, especially to our new readers. As always you can follow me on Mastodon, BlueSky, or RSS. If you read all the way to the bottom, you will find some roundabout lessons about traffic engineering and public transport in this month's newsletter. Posts Media Radio Interview: 2SER: Sydney Takes the Crown for Longest Commute Time in Australia…
transportist.org
December 2, 2025 at 10:54 PM
The guy (Sheb Wooley) who did the Wilhelm Scream: en.wikipedia.org/wiki/Wilhelm...
December 1, 2025 at 8:16 PM
Reposted by David M Levinson ⁂
Reposted by David M Levinson ⁂
WAYMO is HERE KINDA: You'll see driverless cars in Minneapolis today operated by drivers. They're mapping, road testing and making a plea to lawmakers to allow autonomous vehicles to pick up passengers with no one at the wheel. Someday soon, Minneapolis and then... www.twincities.com/2025/11/20/w...
Waymo rolls driverless ridesharing into Minneapolis for testing
The driverless rideshare company operates in five markets and is rolling into five more,
www.twincities.com
November 20, 2025 at 5:19 PM
On Density and Synchrony (Scheduling Density)

Temporal coordination is about timing. Work and school schedules, transport services, parking, and energy use can be staggered or load balanced to avoid overload at any one moment. Tools include flexible work hours, congestion pricing, and off-peak…
On Density and Synchrony (Scheduling Density)
Temporal coordination is about timing. Work and school schedules, transport services, parking, and energy use can be staggered or load balanced to avoid overload at any one moment. Tools include flexible work hours, congestion pricing, and off-peak utility tariffs. Some activities require synchrony, such as assembly lines or collaborative office work. Spatial coordination is about location. Co-location means more people in one place, i.e.
transportist.org
November 17, 2025 at 9:47 PM
What it takes to defeat the leafblower from Bloomberg www.bloomberg.com/news/article...
What It Takes to Defeat the Leaf Blowers
To end the use of gas-powered blowers, advocates in one New Jersey town focused on public health and made their case directly to local elected leaders.
www.bloomberg.com
November 16, 2025 at 1:59 AM
Reposted by David M Levinson ⁂
OpenAI has developed a new way to train small AI models with internal mechanisms that are easier for humans.

Blog: Understanding neural networks through sparse circuits
( openai.com/index/unders... )
Paper: Weight-sparse transformers have interpretable circuits ( cdn.openai.com/pdf/41df8f28... )
Understanding neural networks through sparse circuits
We trained models to think in simpler, more traceable steps—so we can better understand how they work.
openai.com
November 14, 2025 at 4:20 AM
Reposted by David M Levinson ⁂
"Negotiations between the Council of Australasian University Librarians and academic publishing giant Elsevier have broken down"
www.rnz.co.nz/news/nationa...
Universities in 'battle of the century' with journal publisher Elsevier
One New Zealand university told its staff all universities in New Zealand and Australia would "lose some degree of access" to the publisher's 1600 titles from the start of next year.
www.rnz.co.nz
November 14, 2025 at 5:59 AM
Reposted by David M Levinson ⁂
It's not an Apple 2, it's a Wombat!

Apple's lawsuit against the company that sold this machine ended up going all the way to the High Court.

And Apple lost!

Turns out software was not covered by Australian copyright law at the time […]

[Original post on pixelfed.social]
November 13, 2025 at 8:43 AM
Reposted by David M Levinson ⁂
Fun for all road tolling advocates!

(And yes, I suspect that from a wildlife perspective this is probably not ideal.)

www.bbc.com/reel/video/p... #dktrp
Raja the elephant asking for a road toll
In Sri Lanka, a charming elephant cheekily halts traffic for treats.
www.bbc.com
November 12, 2025 at 5:47 PM
ICYMI: How will robots get to work?
How will robots get to work?
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dlvr.it
November 12, 2025 at 5:21 PM