Greg GRIFFIN
@gregpgriffin.bsky.social
PhD, AICP. HusbandFather biking & researching safe and connected communities in the Western Cascades and Willamette Valley.
https://gregpgriffin.myportfolio.com/home
https://gregpgriffin.myportfolio.com/home
Reposted by Greg GRIFFIN
this is amazing!!
It's open, and it's an absolute triumph.
I never thought we'd get our own little version of Amsterdam's famous Rijksmuseum tunnel! I had to see it to believe it.
youtu.be/zKqKCWsSOcU
I never thought we'd get our own little version of Amsterdam's famous Rijksmuseum tunnel! I had to see it to believe it.
youtu.be/zKqKCWsSOcU
New Bike Path Through Portland Art Museum
YouTube video by BikePortland
youtu.be
November 21, 2025 at 6:04 PM
this is amazing!!
Rest in power, Kit Kat.
www.nytimes.com/2025/11/15/u...
www.nytimes.com/2025/11/15/u...
Waymo Was Thriving in San Francisco. Then One of Its Driverless Cars Killed a Cat.
www.nytimes.com
November 20, 2025 at 5:16 AM
Rest in power, Kit Kat.
www.nytimes.com/2025/11/15/u...
www.nytimes.com/2025/11/15/u...
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.
www.king5.com
November 19, 2025 at 6:31 AM
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...
Imagine if we managed cities by outcome (fatality reduction), rather than outputs (call responses). Maybe fire & police could get on board w Safe Systems.
A person on a bike was killed today on Telegraph because we allow automobiles in the most dense, car free area of Berkeley. And the fire dept is tripping that we make it too hard to drive on this street.
BREAKING: A cyclist died Saturday after a crash on Telegraph Avenue near UC Berkeley, authorities report.
November 16, 2025 at 3:37 AM
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...
www.nytimes.com/2025/11/13/a...
Pioneering U.S. Street Photography, With Vienna in the Background
www.nytimes.com
November 14, 2025 at 10:24 PM
“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...
www.nytimes.com/2025/11/13/a...
Reposted by Greg GRIFFIN
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
November 10, 2025 at 6:23 PM
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-...
Reposted by Greg GRIFFIN
"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.
www.opb.org
November 10, 2025 at 6:15 PM
"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 Promise of the Bronx River Parkway www.nytimes.com/2025/11/09/o...
Opinion | The Promise of the Bronx River Parkway
www.nytimes.com
November 10, 2025 at 6:23 AM
The Promise of the Bronx River Parkway www.nytimes.com/2025/11/09/o...
Motion to create a new city staff position for Odnarodude stateside.
In Japan, tourism to Portland, Oregon, is promoted by a grinning blue monster named Odnarodude. He’s at a Portland artisan event in Jiyugaoka De Aone this weekend.
November 8, 2025 at 5:32 PM
Motion to create a new city staff position for Odnarodude stateside.
Reposted by Greg GRIFFIN
@bmj.com, a renowned health journal, slams car bloat:
"Cars are becoming steadily larger, [and] with this comes potential harms to health...Action is needed locally, nationally, and internationally to curb sales of new SUVs and to reduce their presence in urban areas."
www.bmj.com/content/391/...
"Cars are becoming steadily larger, [and] with this comes potential harms to health...Action is needed locally, nationally, and internationally to curb sales of new SUVs and to reduce their presence in urban areas."
www.bmj.com/content/391/...
November 8, 2025 at 1:09 PM
@bmj.com, a renowned health journal, slams car bloat:
"Cars are becoming steadily larger, [and] with this comes potential harms to health...Action is needed locally, nationally, and internationally to curb sales of new SUVs and to reduce their presence in urban areas."
www.bmj.com/content/391/...
"Cars are becoming steadily larger, [and] with this comes potential harms to health...Action is needed locally, nationally, and internationally to curb sales of new SUVs and to reduce their presence in urban areas."
www.bmj.com/content/391/...
Today’s Friday, and downtown Portland is doing alright. Mark me as safe 😜
November 7, 2025 at 6:24 PM
Today’s Friday, and downtown Portland is doing alright. Mark me as safe 😜
City leaders need to consider biking, scooting, and transit more when shaping urban areas.
November 4, 2025 at 1:53 AM
City leaders need to consider biking, scooting, and transit more when shaping urban areas.
My latest op-ed in the Austin American-Statesman shows the risks that TxDOT and other DOTs take when they self-approve environmental reviews.
This finding is a small part from my research on the book Transport Truths (Bristol University Press, 2025)
www.statesman.com/opinion/colu...
This finding is a small part from my research on the book Transport Truths (Bristol University Press, 2025)
www.statesman.com/opinion/colu...
In the I-35 rebuild through Austin, will speed trump trust? | Opinion
The $4.5 billion TxDOT project shows what happens when an agency charged with building also decides how much scrutiny it deserves, Greg Griffin writes.
www.statesman.com
October 24, 2025 at 5:19 PM
My latest op-ed in the Austin American-Statesman shows the risks that TxDOT and other DOTs take when they self-approve environmental reviews.
This finding is a small part from my research on the book Transport Truths (Bristol University Press, 2025)
www.statesman.com/opinion/colu...
This finding is a small part from my research on the book Transport Truths (Bristol University Press, 2025)
www.statesman.com/opinion/colu...
Reposted by Greg GRIFFIN
Portland, I'm coming your way!
On Oct 10 I'll give a keynote at the PacTrans Transportation Conference, discussing ways that cities can future-proof themselves for self-driving cars.
Info: pactransconference.com
Thanks to @trecpdx.bsky.social for extending the invite.
On Oct 10 I'll give a keynote at the PacTrans Transportation Conference, discussing ways that cities can future-proof themselves for self-driving cars.
Info: pactransconference.com
Thanks to @trecpdx.bsky.social for extending the invite.
September 24, 2025 at 7:39 PM
Portland, I'm coming your way!
On Oct 10 I'll give a keynote at the PacTrans Transportation Conference, discussing ways that cities can future-proof themselves for self-driving cars.
Info: pactransconference.com
Thanks to @trecpdx.bsky.social for extending the invite.
On Oct 10 I'll give a keynote at the PacTrans Transportation Conference, discussing ways that cities can future-proof themselves for self-driving cars.
Info: pactransconference.com
Thanks to @trecpdx.bsky.social for extending the invite.
“… when major government policies shift overnight, making long-term economic projections is quixotic at best. Still, some people do it for a living.” @jeffnyc.bsky.social in www.nytimes.com/2025/09/12/b...
Believe in A.I.? Buy Beaten-Down Value Stocks.
www.nytimes.com
September 24, 2025 at 12:36 AM
“… when major government policies shift overnight, making long-term economic projections is quixotic at best. Still, some people do it for a living.” @jeffnyc.bsky.social in www.nytimes.com/2025/09/12/b...
Reposted by Greg GRIFFIN
Last week, a plot of land in North Portland felt a shake—not one caused by an earthquake, but by a machine known as T-Rex. PSU researchers were simulating a minor quake.
Hear from researchers Arash Khosravifar and Diane Moug of @maseehcollege.bsky.social on @opb.org: www.opb.org/article/2025...
Hear from researchers Arash Khosravifar and Diane Moug of @maseehcollege.bsky.social on @opb.org: www.opb.org/article/2025...
PSU researchers simulate earthquake to test soil-strengthening treatment
Researchers at Portland State University tested a soil treatment to fortify soil against liquefaction. We'll hear from two researchers to learn more.
www.opb.org
September 18, 2025 at 7:03 PM
Last week, a plot of land in North Portland felt a shake—not one caused by an earthquake, but by a machine known as T-Rex. PSU researchers were simulating a minor quake.
Hear from researchers Arash Khosravifar and Diane Moug of @maseehcollege.bsky.social on @opb.org: www.opb.org/article/2025...
Hear from researchers Arash Khosravifar and Diane Moug of @maseehcollege.bsky.social on @opb.org: www.opb.org/article/2025...
Reposted by Greg GRIFFIN
Is this the first time in history a sitting Portland City Council member has corked an intersection during a bike ride? Cc: @councilorgreen.bsky.social
A group rode/walked to City Hall today ahead of the council discussion on Vision Zero, led by @councilortkl.bsky.social.
A group rode/walked to City Hall today ahead of the council discussion on Vision Zero, led by @councilortkl.bsky.social.
September 18, 2025 at 1:30 AM
Is this the first time in history a sitting Portland City Council member has corked an intersection during a bike ride? Cc: @councilorgreen.bsky.social
A group rode/walked to City Hall today ahead of the council discussion on Vision Zero, led by @councilortkl.bsky.social.
A group rode/walked to City Hall today ahead of the council discussion on Vision Zero, led by @councilortkl.bsky.social.
Reposted by Greg GRIFFIN
Request: Do any of y'all use TransCAD in your work? If so, would you be willing to do a zoom talk in my class this term? I can't offer any real money, but I'll venmo you coffee money at least. 😏🙏
September 12, 2025 at 4:42 AM
Request: Do any of y'all use TransCAD in your work? If so, would you be willing to do a zoom talk in my class this term? I can't offer any real money, but I'll venmo you coffee money at least. 😏🙏
Urban planners and students concerned with the future should peruse the Effective Altruism discourse, which this Times piece (re)introduces.
www.nytimes.com/2025/08/04/t...
www.nytimes.com/2025/08/04/t...
The Rise of Silicon Valley’s Techno-Religion
www.nytimes.com
September 3, 2025 at 5:03 PM
Urban planners and students concerned with the future should peruse the Effective Altruism discourse, which this Times piece (re)introduces.
www.nytimes.com/2025/08/04/t...
www.nytimes.com/2025/08/04/t...
Reposted by Greg GRIFFIN
Hive mind: Besides Bogota, and a few US university campuses, anyone know of any free bikeshare systems?
August 29, 2025 at 5:20 PM
Hive mind: Besides Bogota, and a few US university campuses, anyone know of any free bikeshare systems?
Urban planning faculty can integrate indigenous futurism in curriculum to help span thinking on time and who we plan with and for.
www.underscore.news/culture/indi...
www.underscore.news/culture/indi...
Indigenous Futurism Brings Fresh Perspectives to Pop Culture - Underscore Native News
Sadekaronhes Esquivel (any pronouns) is a Kanien’kehà:ka and Mexican Indigenous artist and writer. Esquivel utilizes illustration and gaming to create worlds and stories that promote imaginative futur...
www.underscore.news
August 29, 2025 at 6:08 PM
Urban planning faculty can integrate indigenous futurism in curriculum to help span thinking on time and who we plan with and for.
www.underscore.news/culture/indi...
www.underscore.news/culture/indi...
Big data can both answer intractable questions, and further inequalities. Here’s how I’ve navigated the paradox of data for bicycle transport planning.
gregpgriffin.myportfolio.com/how-not-to-l...
gregpgriffin.myportfolio.com/how-not-to-l...
Greg P. Griffin - How Not to Lie with Big Data
Greg Griffin’s research analyzes how planners and publics work together with technology to improve transportation, civic engagement, and health. Currently, he is writing a book called Transport Truths...
gregpgriffin.myportfolio.com
August 29, 2025 at 5:28 PM
Big data can both answer intractable questions, and further inequalities. Here’s how I’ve navigated the paradox of data for bicycle transport planning.
gregpgriffin.myportfolio.com/how-not-to-l...
gregpgriffin.myportfolio.com/how-not-to-l...
Reposted by Greg GRIFFIN
Have heard reasons to be skeptical of big consulting firms like McKinsey. Do any of you know much about SLALOM? Including work in public transit?
August 28, 2025 at 6:20 PM
Have heard reasons to be skeptical of big consulting firms like McKinsey. Do any of you know much about SLALOM? Including work in public transit?
Reposted by Greg GRIFFIN
Speaking of street transformations, the new restrictions motor vehicles on Pike Place outside the market made me enjoy the place far more then my visit in 2008.
The pilot project was a window of opportunity (street repair work), a common origin for street transformations.(repost with gif)
The pilot project was a window of opportunity (street repair work), a common origin for street transformations.(repost with gif)
August 26, 2025 at 11:02 PM
Speaking of street transformations, the new restrictions motor vehicles on Pike Place outside the market made me enjoy the place far more then my visit in 2008.
The pilot project was a window of opportunity (street repair work), a common origin for street transformations.(repost with gif)
The pilot project was a window of opportunity (street repair work), a common origin for street transformations.(repost with gif)