Reposted by Sarah Jo PetersonA. Zivarts @nondriver.bsky.social · 29/09/2026if you haven't read this piece by @keawilson.bsky.social, you should.usa.streetsblog.orgWhere I've Been — Streetsblog USAHow becoming a caregiver for a person with terminal illness changed the way I think about transportation reform. 1136
Reposted by Sarah Jo Petersond. reed, crisp & juicy enjoyer 🦀🏳️🌈🏳️⚧️🇬🇾 @justupthepike.bsky.social · 29/08/2026sometimes i feel like i’m screaming into the void: helping people, especially trans people, move to safety and opportunity is what the yimby/pro-homes movement is all about. but the movement, as it grows and seeks legitimacy, feels quite indifferent to us 26117
Reposted by Sarah Jo PetersonErik Nordman @eriknordman.bsky.social · 07/08/2026🎂Nobel laureate Elinor Ostrom was born on this day in 1933! Ostrom was the first woman to win the Nobel Prize in Economics for her research on "collaborative governance, especially the commons." She showed how communities of users could work together to sustain their shared resources. 1/9 3354139
Reposted by Sarah Jo PetersonYung En Chee @yungenchee.bsky.social · 06/08/2026Really important research with clear findings, implications & policy recommendations to arrest the trend of oversized cars & trucks killing & maiming more pedestrians 🙏 & kudos to Milad Haghani, Abbas Rajabifard, Iman Taheri Sarteshnizi, & Neema Nassir @aunz.theconversation.comtheconversation.comBig US-style trucks are killing more pedestrians in Australia – our research proves itPedestrians are more likely to be killed by heavier cars – and even more so if the vehicle is taller, Australian-first research has found. 19314173
Reposted by Sarah Jo PetersonLaDale Winling @lwinling.bsky.social · 29/07/2026I have been working on a book on race and real estate for a few years (Property Wrongs) and am in the course of revisions on it. One of my challenges (as with any book) is that there are SO MANY really excellent moments and people that I want to write about. Today I am going over... 1/n 12310
Reposted by Sarah Jo PetersonNPR @npr.org · 16/07/2026The Federal Highway Administration quietly stripped bike lanes and other safety recommendations from a key list of best practices. Critics say those measures are proven to cut crashes and save lives. n.pr/4yoz3dDn.prBike lanes and speed cameras disappear from the DOT's list of proven safety measuresThe Federal Highway Administration quietly stripped bike lanes and other safety recommendations from a key list of best practices. Critics say those measures are proven to cut crashes and save lives. 50532253
Reposted by Sarah Jo PetersonJarrett Walker @humantransit.bsky.social · 18/05/2026The one history book every car technology fetishist should read ... and that the rest of us should read to better defend ourselves. My review of Peter Norton's excellent "Autonorama". humantransit.org/2023/06/the-...humantransit.orgThe Old, Old Idea of High-Tech Cars — Human TransitDense cities don’t have room for everyone’s car. If too many people use cars, they take up all the available space and still get in each other’s way, which is what congestion is. This was all obvious... 14118
Reposted by Sarah Jo Petersonjamelle @jamellebouie.net · 27/06/2026this legitimately made me tear up. a tremendous public servant! 1357210911
Reposted by Sarah Jo PetersonDavid King @cityplanning.bsky.social · 22/06/2026This is good about the limitations and biases of data collected.open.substack.comWhat the Data Decided You WantedInfrastructure and Its Discontents, Essay No. 7 011
Reposted by Sarah Jo Petersond. reed, crisp & juicy enjoyer 🦀🏳️🌈🏳️⚧️🇬🇾 @justupthepike.bsky.social · 15/06/2026"When I wrote about the crash last year, I said I’d forgive the driver eventually. I think I have. Our bruises and scars have mostly healed. Soon enough, I was consumed by a different problem: trying to make sure this didn’t happen again." 2193
Reposted by Sarah Jo PetersonChicago Critical Mass @chicritmass.bsky.social · 09/06/2026Remember the beautiful life of Riley O’Neil. #Chicago 3494119
Reposted by Sarah Jo PetersonTony Dutzik @frontiertony.bsky.social · 20/05/2026I don't think you can tell the story of resistance to data centers w/o talking about crypto/NFTs, which established the template of: 1) computing facilities often being very bad neighbors, 2) tech industry obliviousness to enviro impacts, 3) connection in the public mind to financial bubbles. 241
Reposted by Sarah Jo PetersonTony Dutzik @frontiertony.bsky.social · 18/05/2026There is no justification for a two-tiered system. It this is good enough for EVs it’s good enough for gas-powered cars. No gas tax. $150 a year cash-money for every car. Perfectly fair! Will be great for poll numbers. 111
Reposted by Sarah Jo PetersonA. Zivarts @nondriver.bsky.social · 12/05/2026it was only possible to do this because of the ability to provide remote testimony during the pandemic. It wouldn't take a day of travel on either end for most of the nondrivers I work with to get to our state capital. Post pandemic, Norm switch back to in-person testimony and we couldn't get there. 0303
Reposted by Sarah Jo PetersonDan Mauler 🎃 @meelar.bsky.social · 21/04/202617/ So the key thing to ask the public isn't "what should we do about <problem X>". It's "what problems do you have"? How do people want their lives to be different? What can city policy and infrastructure actually do to help them? 1357
Reposted by Sarah Jo PetersonKarl Jacoby @karl-jacoby.bsky.social · 07/04/2026I am not one of those who believes that history repeats, but consider the following from Herodotus: the Oracle at Delphi told the fabulously wealthy King Croesus that if he invaded Persia he would "destroy a great empire." Croesus invaded and lost--the empire he destroyed was his own. 572738786
Reposted by Sarah Jo PetersonYonah Freemark @yonahfreemark.com · 27/03/2026Happy birthday to the Washington Metro, which opened 50 years ago today with service on 4.6 mi of Red Line between Rhode Is. Ave & Farragut N. System now serves 130 mi. The DC Metro shows that, with good planning & enough investment, the public sector can succeed & build something extraordinary. 1185461942
Reposted by Sarah Jo PetersonThe Economic Misfit @theeconomicmisfit.bsky.social · 09/03/2026Elinor Ostrom Changed How Economists Think About the World In 2009, Elinor Ostrom became the first woman to win the Nobel Prize in Economics. For decades, economists believed that shared resources such as forests, fisheries, and grazing lands would inevitably be overused and destroyed. 275
Reposted by Sarah Jo PetersonTony Dutzik @frontiertony.bsky.social · 21/03/2026One aspect of the current situation that doesn't seem to have gotten a lot of attention is the impact of prolonged high gas prices on the residual value of the big ol' SUVs that the legacy automakers have been pushing for a decade. It's potentially a big deal. (threadlet) 164
Reposted by Sarah Jo Petersonalex block ⚽️ @alexblock.bsky.social · 20/03/2026“In light of Ehrlich’s death, however, the staying power of The Population Bomb’s scarcity mindset should give us pause. It is not, in fact, a law of nature that we can’t make the world of tomorrow better than the one we have now...” 262
Reposted by Sarah Jo PetersonJake Anbinder @jakeanbinder.bsky.social · 20/03/2026"In its day, The Population Bomb was omnipresent....Ehrlich appeared on The Tonight Show Starring Johnny Carson at least 18 times, at a time when it was not unusual for a third of the country’s entire television audience to be watching." www.theatlantic.com/ideas/2026/0...theatlantic.comWhat Paul Ehrlich’s Fear of Scarcity Did to American PoliticsEhrlich’s lurid predictions of imminent planetary doom captivated the public, but they did not come true. 3318
Reposted by Sarah Jo PetersonAlissa Walker @awalkerinla.bsky.social · 20/03/2026I’m begging a mainstream publication to pick this story up? A million people ride buses and trains in LA every day and right now they really have no idea when those buses or trains are coming! 311837
Reposted by Sarah Jo PetersonDavid King @cityplanning.bsky.social · 17/03/2026I wrote a piece in the YourValley papers in favor of offering speed limiters to people who are repeat speeders. There’s a bill about this currently being discussed in the state legislature. I’d prefer to not have a giant picture of me here but that’s the way it is.yourvalley.netArizona should use tech to rein in state’s most dangerous speeders - Daily IndependentOPINION — Arizona’s roads are among the deadliest in the country, and the toll of crashes should be treated as a public health crisis, not an unavoidable cost of daily life. Too many Arizona families ... 121
Reposted by Sarah Jo Petersonkelly @kickinson.bsky.social · 24/02/2026my local park is full of hundreds of snow sculptures and someone has been adding museum labels 9981032101
Reposted by Sarah Jo PetersonBen Goldfarb @bengoldfarb.bsky.social · 25/02/2026New York-ass staff never been to the damn desert 1533
Reposted by Sarah Jo PetersonBlair Lorenzo / The Fox and the City @thefoxandthecity.com · 23/02/2026I like to remind people that one of the final impetuses to building the subway was the Blizzard of 1888. The storm was bad enough that power lines fell and even the els had trouble running. As a result, NY began moving power and eventually transport underground, so the city can keep functioning. 1121
Reposted by Sarah Jo PetersonJason Herbert @herberthistory.bsky.social · 16/02/2026So we’ve partnered with Morgan Freeman’s production company. No biggie. Details below. ⬇️ open.substack.com/pub/jasonher...open.substack.comThe Gray HouseBig news about our new partnership 2122046
Reposted by Sarah Jo PetersonGreg Shill @gregshill.com · 11/02/2026✨ introducing… ✨ 🌇 Transportation for the Abundant Society 🚅 "Abundance" says our problem is artificial scarcity—especially housing. But you can’t build your way out if transportation policy still treats traffic flow as sacred. Transportation is the binding constraint. ssrn.com/abstract=538... 410540
Reposted by Sarah Jo Petersonlaurentfranckx.bsky.social @laurentfranckx.bsky.social · 08/02/2026Everybody knows about the great Irish famine. TIL that the share of the 1845 potato harvest that was lost in Belgium (90%) was 3 times higher in Ireland - but the plague lasted much longer in Ireland. One of the numerous aspects of the plague that is hard to imagine for the modern mind, / 2249
Reposted by Sarah Jo PetersonDavid King @cityplanning.bsky.social · 04/02/2026This thread about people showing up at the Surprise, AZ council meeting to oppose the recent DHS purchase of a warehouse to use as a camp is worthwhile reading. This guy’s comments are wonderful. 163
Reposted by Sarah Jo PetersonSandy Johnston @sandypsj.bsky.social · 28/01/2026I enjoyed this piece. One thing I'd like to add to the "moonshot" agenda that really feels very achievable: there should be a federal program to support really good service on key corridors in smaller cities. Something I wrote about years ago. itineranturbanist.wordpress.com/2017/08/13/b...itineranturbanist.wordpress.comBuilding Urbanism and Transit in Small CitiesI’ve been following updates from the APTA conference in the Twin Cities this past week via Twitter and a friend who works in the area. A couple of the tweets I saw really caught my eye and helped t… 4599
Reposted by Sarah Jo PetersonKarl Jacoby @karl-jacoby.bsky.social · 18/01/2026My better half (who is not on BlueSky) wrote this moving essay about the social service center for immigrants that her mom founded in MN--now at the epicenter of the MAGA attack on Minneapolis's Somali-American community. mariemyungoklee.substack.com/p/my-mother-...mariemyungoklee.substack.comMy Mother Devoted her Life to Minneapolis' Korean Service Center--and now ICE and White Supremacists want to wreck it in their racist hatred for SomalisThey probably don't even know this place is there but when they find it will probably try to wreck these poor elderly Koreans on the way to wrecking the Somali community 22117
Reposted by Sarah Jo PetersonTony Dutzik @frontiertony.bsky.social · 16/01/2026One downside of reducing enviro/climate conversations to either dollars and cents or tons of CO2 is that the potential for clean energy to fundamentally transform our relationships and experience of the world is pushed out of the picture. 164
Reposted by Sarah Jo PetersonBarbara Gordon @thebookwizard.bsky.social · 13/01/2026"I knew then and I know now, when it comes to justice, there is no easy way to get it. You can't sugarcoat it. You have to take a stand and say, 'This is not right.' And I did." Rest in power, Ms. Claudette Colvin. The fight for equality continues. ❤️ 2444107
Reposted by Sarah Jo PetersonNPR @npr.org · 14/01/2026Civil rights pioneer Claudette Colvin has died. She was 86. Her 1955 arrest for refusing to give up her seat on a segregated Montgomery bus helped spark the modern civil rights movement. n.pr/4bhqaK7n.prClaudette Colvin, who refused to move seats on a bus at start of civil rights movement, diesCivil rights pioneer Claudette Colvin has died. She was 86. Her 1955 arrest for refusing to give up her seat on a segregated Montgomery bus helped spark the modern civil rights movement. 12801194
Reposted by Sarah Jo PetersonOlúfẹ́mi O. Táíwò @olufemiotaiwo.bsky.social · 14/01/2026"Colvin, who died on Jan. 13 at the age of 86, was for decades an unsung hero...she became one of the plaintiffs in Browder v Gayle, the landmark 1956 U.S. Supreme Court case that declared segregation on public transportation unconstitutional" @capitalb.bsky.social capitalbnews.org/claudette-co...capitalbnews.orgClaudette Colvin, Whose Defiance Helped End Bus Segregation, Dies at 86For decades, Colvin was an unsung hero despite refusing to surrender her seat nearly 10 months before Rosa Parks’s famous act of defiance 124081
Reposted by Sarah Jo PetersonStephanie Frank @franklyurban.bsky.social · 09/01/2026Are you a PhD student working on a dissertation that engages with the history of the city or metropolitan planning (anytime or place)? Apply to participate in the inaugural Alison Isenberg Dissertation Colloquium at the SACRPH Conference in Cincinnati on Oct 15! Please repost and share offline.sacrph.orgAlison Isenberg Dissertation Colloquium 11213
Reposted by Sarah Jo PetersonDavid King @cityplanning.bsky.social · 08/01/2026A Waymo drove onto the light rail tracks in Phoenix and the passenger had to abandon ship. The rails are curb separated throughout, other than intersections. This is incredibly dangerous for everyone.azcentral.com'Wild' Waymo seen on new light rail tracks in south PhoenixA Waymo was recently seen driving on new light rail tracks in South Phoenix as a train approached. 371
Reposted by Sarah Jo PetersonPeter Norton @norton.bsky.social · 19/12/2025Today is the 150th anniversary of the birth of Carter G. Woodson. Woodson was born December 19, 1875, in New Canton, Virginia, 35 miles south of my home. In my work as a historian, no historian’s example has served me better than Woodson’s. ... 1107
Reposted by Sarah Jo PetersonErik Nordman @eriknordman.bsky.social · 13/12/2025My book, The Uncommon Knowledge of Elinor Ostrom, and all @islandpress.bsky.social e-books, is on sale for $6.99 through 12/19. Ostrom's groundbreaking ideas showed that the "tragedy of the commons" is not inevitable. Communities can sustain their shared resources through collective action. 1/2islandpress.orgThe Uncommon Knowledge of Elinor Ostrom 12113
Reposted by Sarah Jo PetersonYonah Freemark @yonahfreemark.com · 12/12/2025This is going to be a fun event where—unlike at the @nationalacademies.org Transportation Research Board—we're going to actually talk about issues of equity, justice, and mobility. Register if you can make it to DC in January! 0133
Reposted by Sarah Jo PetersonAlex Karner @alexkarner.bsky.social · 12/12/2025Free public registration is now open for the Crossroads Convening on Transportation Equity and Justice, 1/15/26 at the MLK Library in DC. Registration is free. We've got three sessions across four tracks. Confirmed speakers include Robert Bullard, Anna Zivarts, Naomi Doerner, and Gretchen Goldman.secure.ucs.orgCrossroads: A Transportation Equity and Justice ConveningJoin the Union of Concerned Scientists and our transportation partners for a one-day event to discuss transportation equity and justice. Thursday, January 15, 2026, 8:30 a.m. – 3:00 p.m. ET, at the Ma... 385
Reposted by Sarah Jo PetersonJames Longhurst @jameslonghurst.bsky.social · 08/12/2025It's time once again for my annual #treebybike post. This is the 12/19/42 cover of @newyorker.com, so one full year after the attack on Pearl Harbor. This would be the first real Christmas alone, or without a family member, for millions in the US. Gas and tire rationing had begun earlier that year.🗃️ 8513179
Reposted by Sarah Jo PetersonRuss The Tedious Ghost @russ41.bsky.social · 03/12/2025You can help Bolts continue to provide crucial coverage of local elections. Here's how: - Repost this = I donate $1. - Follow @boltsmag.org = I donate $1. - Donate (link below) + tell me how much = I match your donation. (Donate monthly = I match a year's worth)boltsmag.orgSupport BoltsWe are a nonprofit publication that covers the nuts and bolts of political change, from the local up, and we need reader support to build our journalism. 27382829
Reposted by Sarah Jo PetersonAaron Parnas @aaronparnas.bsky.social · 16/11/2025NEW: Epstein survivors release the most powerful PSA I have ever seen. Make this go viral so every member of the House of Representatives sees it. 13005950836347
Reposted by Sarah Jo PetersonA. Zivarts @nondriver.bsky.social · 11/11/2025Thinking about picking up my book? Do it this week! all @islandpress.bsky.social print titles are 50% off until 11/16! islandpress.org/books/when-d... also lots of other great books to grab as well -- thread below with some links of my favoritesislandpress.orgWhen Driving Is Not an Option 23813
Reposted by Sarah Jo PetersonZachary Schrag @zacharyschrag.bsky.social · 12/10/2025Heavy rail wayfinding vs BRT wayfinding. Union Station, Los Angeles 051
Reposted by Sarah Jo Petersond. reed, crisp & juicy enjoyer 🦀🏳️🌈🏳️⚧️🇬🇾 @justupthepike.bsky.social · 10/10/2025five months after a driver hit me and my dog, MCDOT has again refused to install a stop sign at the intersection, calling it “unwarranted.” they will build a crosswalk, which should already have been there! it took a month to get this response. i am furious and, frankly, defeated 2245
