Greg GRIFFIN
@gregpgriffin.bsky.social
PhD, AICP. HusbandFather biking & researching safe and connected communities in the Western Cascades and Willamette Valley. https://gregpgriffin.com
Remembering a pretty great faculty workshop @trecpdx.bsky.social in 2022, where I learned a lot about designing and teaching bicycle intersection safety from @pkoonce.bsky.social. flic.kr/p/2nzASwY
2022 IBPI Faculty Workshop
Faculty Workshop: Integrating Bike-Ped Topics into University Transportation Courses. Hosted every summer since 2012, this two-day course supports transportation planning and engineering faculty in in...
flic.kr
Researchers—ever wonder how your study could better address a root cause? Join these dialogues on Petter Næss’ contributions to planning with critical realism:
Critical Realism Network@crnetwork.bsky.social · last mo.Interested in critical realism and spatial planning? Sign up for our new seminar series criticalrealismnetwork.org/2026/06/26/s...
We often study cycling crashes by isolating factors: infrastructure, behaviour, vehicles, policy. But safety doesn’t live in any one of them. Our new paper argues crashes persist because the system adapts — and proposes a 20-year research agenda focused on prevention. doi.org/10.1016/j.ia...
50% OFF EVERYTHING IN OUR SUMMER SALE! 🌞 Choose from paperbacks and hardcovers, and explore everything from career-enhancing resources to fascinating new topics. Use code BUP07 at checkout until the end of July. 🛍️ https://bristoluniversitypress.co.uk/bup-home
With extraordinary graphics, NYT examines how federal policies prioritizing car passenger safety have resulted in big increase in pedestrian deaths. Gift link: www.nytimes.com/interactive/...
The Deadly Rise of Giant Trucks and S.U.V.s (Gift Article)
The vehicles on American roads have grown larger — and they are killing thousands more pedestrians, a Times investigation found.
nytimes.com
Platform capitalism commodifies goodwill sharing into AI for someone else to sell. Here’s why I nonetheless proceeded with caution: ⚠️ gregpgriffin.com/posts/071g8o...
Why I Chose Open Science for Transport Truths — Greg P. Griffin, Ph.D.
“Unlike laws and sausages, the public should see science during its manufacture…,” so claims philosopher John Wilkins . Yet, AI companies hoovering public knowledge to be re-sold to new publics is ...
gregpgriffin.com
Yet another damning analysis of the CAMPO and TxDOT modeling used to justify the I-35 expansion... "Transport Truths" by @greggriffin.bsky.social published by Bristol University Press, devotes a whole chapter to the I-35 project. bristoluniversitypress.co.uk/transport-tr...
Community and regional planning struggles to define a ‘good’ process. I introduce why 🧏♀️ access 📖 transparency 🌍representativeness 👯 social learning, & 👩⚖️ legitimacy are key in Transport Truths. Open access ch. 1 at doi.org/10.51952/978...
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I lament the early days of social media, when technology was lauded as democratizing communication power. Now, AI reverses this power, hoovering wisdom of the crowds as a product of new capital.
“A.I. is less regulated in America than sandwiches,” said Prof. Tegmark… “You can’t open a sandwich shop without having your kitchen inspected. But you can release an A.I. girlfriend for 11-year-olds and that’s fine.” www.nytimes.com/2026/04/28/t...
Et Tu, Brute? What Elon Musk’s Clash With Sam Altman Is Really About.
nytimes.com
#musicforgeographers 🎵Now we can laze through the density🎤 Lock in the Lidar music.apple.com/us/album/lid...
Lidar by Bruce Hornsby on Apple Music
Song · 2022 · Duration 4:19
music.apple.com
Envisioning a profligacy of American sidewalk construction 🚧
Her app has logged 100,000 bike lane obstructions since 2017. Come meet Christina from @bikelaneuprising.bsky.social at Bike Happy Hour tomorrow!! (Weds 3/25) bikeportland.org/2026/03/24/t...
This week at Bike Happy Hour: Bike Lane Uprising Founder Christina Whitehouse
This week at Bike Happy Hour our special guest is Bike Lane Uprising Founder Christina Whitehouse. Founded in 2017 after Christina suffered a very close call, this app and website has spurred of a ...
bikeportland.org
Shorter than some social media posts: www.nytimes.com/interactive/...
Annotating the Judge’s Decision in the Case of Liam Conejo Ramos, a 5-Year-Old Detained by ICE (Gift Article)
Our critic annotates the barbed wordplay of a decision challenging the Trump administration’s theory of executive power.
nytimes.com
“For Porter, it is not realism that defines the Trump era but rather its ‘corrupt cousin,’ machtpolitik, which pursues power for its own sake and is defined by a “sort of violent exhilaration of destruction, nihilism and vengeance.” www.nytimes.com/2026/01/09/m...
The Theory That Gives Trump a Blank Check for Aggression
nytimes.com
is feeling paranoid that most written text on the Internet is AI generated. Three-word sentences have their place, but they’re everywhere and consuming too much copy. Substack pushing feed, Trump administration are worst culprits at the moment. Gonna bike to lunch 🚲
Self-Driving Cars Can’t See Without Their Eyes by Nicolas Gourault www.nytimes.com/2026/01/02/o...
Opinion | Self-Driving Cars Can’t See Without Their Eyes
nytimes.com
What mammal might make tracks like these, big set and tiny close together, spaced 2-3’ apart? Cascade range, Oregon. Nordic ski for scale.
The dept. of ed. is using bicycling graphics to make the FAFSA fun and cool. Maybe it was leftover from the previous administration 🤷♂️ If the goal was to help this parent contributor help, it worked.
Reminder that you can update your federal tax withholding to reduce your pre-payments.
“Writing criticism — offering an opinion, putting one’s skin in the game — is a form of stewardship to the commons…” writes @meganeogrady.bsky.social, reviewing @zadiesmith.bsky.social’s ‘Dead and Alive .’ www.nytimes.com/2025/10/28/b...
Zadie Smith Considers Art in the Age of Relentless Progress
nytimes.com
Indigenous rights attorney ‘called the outreach “deeply ironic,” noting that the federal government is asking tribes, whose members were the first peoples of the region, to participate in detaining immigrants who arrived more recently.’ www.king5.com/article/news...
Nisqually Tribe says it won't allow ICE detainees in tribal facilities
Chairman E.K. Choke said denying the request was in line with the tribe's values of treating all individuals with dignity, respect and compassion.
king5.com
Imagine if we managed cities by outcome (fatality reduction), rather than outputs (call responses). Maybe fire & police could get on board w Safe Systems.
“Don’t shoot until the subject hits you in the pit of your stomach” was her advice to her pupils. www.nytimes.com/2025/11/13/a...
Pioneering U.S. Street Photography, With Vienna in the Background
nytimes.com
All print books are 50% off at Island Press, including my book Human Transit, the book that welcomes everyone into clear thinking about public transit! Stock up for the holidays! Print edition only (because giving ebooks is no fun)! islandpress.org/books/human-...
Human Transit, Revised Edition
islandpress.org
"The Big Dig" podcast from Boston came to town for a conversation with OPB’s Lillian Karabaic, whose "Stop Requested" project looked into public transit across Oregon, about Portland’s own attempts to solve that puzzle and undo the harms of the past.
‘The Evergreen’: What to do about freeways
Every American city — including Portland — is divided by crumbling old highways, and every city is trying to figure out what to do with them. Listen in this week as "The Big Dig" podcast in Boston joins in.
opb.org
