Greg GRIFFIN
PhD, AICP. HusbandFather biking & researching safe and connected communities in the Western Cascades and Willamette Valley.
https://gregpgriffin.myportfolio.com/home
@oregonryan.bsky.social
Policy researcher turned policy doer // Senior Transit Policy Analyst @ ODOT // Currently a runner // Views expressed are my own
@usa.streetsblog.org
Covering the movement to end car dependency and make America better for walking, biking, transit and more.
@platialanalysis.bsky.social
A platial and geospatial data science research lab at McGill University https://platial.science
@cityobservatory.bsky.social
Original research and commentary on what matters for city success.
@daniellekrusemark.bsky.social
✨Social Psychologist✨ Interested in Metascience, Inequity Research, Biracial Studies, and CX
@sozaparra.bsky.social
Assistant Professor in Transportation Analysis and Data Science 🟥 | Utrecht University 🇨🇱 www.sozaparra.cl
@planningannie.bsky.social
Transpo planner seeing what this is all about. Living in the great Commonwealth of Pennsylvania 🔑 formerly Parisian. Passionate about great cities and urban development.
@ayanaeliza.bsky.social
Marine biologist, writer, policy nerd. Co-founder Urban Ocean Lab, think tank for the future of coastal cities. In love with climate solutions.
@singletonpa.bsky.social
Associate Professor, Transportation, Civil & Environmental Engineering, Utah State University
@bikeleague.bsky.social
The League of American Bicyclists is leading the movement to build a Bicycle Friendly America for everyone.
@mateooo.bsky.social
Civic technologist, musician & aspiring adobero. DEN | ATX | SATX | NM. Here for 🌎 climate action, 🏛️ public interest tech, 🧱 natural building + earthen architecture, ⚽ fútbol y más. Supporter of #AustinFC 💚, #NewMexicoUnited, #Liverpool, and #Flamengo
@riocobre.bsky.social
City lover, Transportation Geek, Educator https://www.linkedin.com/in/norman-garrick-9b199137/
@claudiapres.bsky.social
Transpo nerd at Hayden AI. Working in bus world, but love for biking, walking, and shared mobility. Latina from the 626. Formerly: Replica, NACTO, Remix, Nelson\Nygaard, City of LA, LA Metro 🚇
@cjgabbe.bsky.social
Associate Professor at Santa Clara University. Interests include urban planning, housing, climate policy, #rstats, GIS, trail running, and much more. He/him. 🏳️🌈
@tomwsanchez.bsky.social
▪︎ Texas A&M, Landscape Architecture and Urban Planning ▪︎ Cities, technology, analytics, etc. ▪︎ http://tomwsanchez.com/
@altafieldnotes.bsky.social
🌍Sustainability On The Go 🏃♂️🚵♂️👨🦽 🌱 You're local Climate, Safety, and Mobility nerds. 💡 Empowering communities to connect, move, and thrive since 1996. https://altago.com/
@parkerking.bsky.social
Postdoc ASU School of Sustainability. Research interests in biometeorology, environmental epi, transportation. KC raised, UMKC Physics, Mt Sinai Biostats, UVM Civil Engineering. Chiefs, Royals, Pels, cool maps, my son, desserts.
@luyuliu.bsky.social
Assistant Professor @AuburnGeosciences. Transportation geography, Public transit, Urban computing. luyuliu.github.io
@amyelee.com
Postdoctoral scholar at UCLA. Transportation/ planning/ environmental/ climate policy and politics. Studying things like highways and parking. She/her. 🏳️🌈 amyelee.com
@sileginnane.bsky.social
Safe, active, beautiful streets: plan for public health and climate resilience. Physio - Tech - Sustainable Transport and Mobility - Liveable Towns 💛💙
@iandavidson.bsky.social
Board Vice President Cherriots🚏🚌 | Co-founder of @SalemBikeVision.bsky.social 🚲| Pragmatic optimist ☀️ | Immediate Past Chair of Mid-Willamette Valley Council of Governments ☀️ 🛤️ | Father of two
@nightowlanna.bsky.social
🇬🇧 LGBT+, ADHD, Hypermobility, research in field of Emotion Regulation and the effect on Subjective Well-Being in Sexual and Gender Minorities.
@masonhickok.bsky.social
Urban & regional planning grad student at UTSA | Digital Journalist at KSAT 12 News | Interests: Transportation planning/policy, sustainability, climate policy, green infrastructure, film, and trail running.
@saraklind.bsky.social
Co-Executive Director @openplans.org | Transportation, Housing, Walkable Cities.
@timschwanen.bsky.social
Professor of Transport Geography | Director of @tsuoxford.bsky.social | University of Oxford | Mobilities, transport, cities, technology, climate, inequality | he/him | 333 CO2 ppm
@Transportist.mastodon.social.ap.brid.gy
Trnsprtst. Rogue Planner. Refreshingly Unromantic. So F*ing Lucid. fRSN. 2%. Research: #Access, #Transport #Economics, #NetworkEvolution, #Traffic […] [bridged from https://mastodon.social/@Transportist on the fediverse by https://fed.brid.gy/ ]
@grantdmckenzie.bsky.social
Associate Professor of Spatial Data Science at McGill University. Place • Mobility • Privacy. https://grantmckenzie.com
@alexkarner.bsky.social
associate professor//community & regional planning. mobility justice, transportation equity, civil rights, environmental justice, accessibility, GIScience, etc. views my own.
@samsklar.bsky.social
I'm Sam. An #urbanplanner and the most exasperated one you'll ever meet. Connect here! DM me and we can be pals on this app, which is simply better than TXwtr.
@dvanhengel.bsky.social
@oliviawilliams.bsky.social
Former Floridian in Madison (WI) using Geography PhD to tweet about housing, community land trusts (CLTs), transit, & bicycles. ED @ Madison Area CLT, they/she/Dr.
@jenniferdillpsu.bsky.social
Portland State University Professor, Urban Studies & Planning Director, Transportation Research & Education Center Editor-in-Chief, Transportation Research Record
@rebl19.bsky.social
Planning prof at Univ. Oregon studying land use and housing. Kentuckian (Go Cats!), cyclist & gardener.
@geoffboeing.com
Associate Professor @USC • Nonresident Senior Fellow @Brookings • Urban Networks • Geospatial Data Science Web: https://geoffboeing.com/ LinkedIn: https://linkedin.com/in/gboeing/
@sarahforpdx.bsky.social
Executive Director @TheStreetTrust.org promoting low-carbon transport for public health & economic justice. Fmly ran a global urban best practices exchange at Portland State. Recovered chef & restaurateur. #TacticalOptimism #EverydayAntifascist
@worldbollardassoc.bsky.social
The official Bluesky account of the World Bollard Association™️. MERCH STORE - https://worldbollardassociation.team-togs.com/shop/storeorderform.php
@adamgreenfield.bsky.social
Streets, transportation, and land use advocate & organizer, mobilizing for bold change. Based in Austin TX. @SafeStreetsAustin @Rethink35 #NoMoreFreeways
@jonathanmaus.bsky.social
Father of four: 3 kids and BikePortland https://bsky.app/profile/bikeportland.org 🚲🚲 North Portlander. Roosevelt HS 7th Grade Boys Basketball Coach. 🏀🏀
@alisonstenning.bsky.social
Geographer - Professor - Mum - Playing - #playstreets - Cycling - #kidicalmass - #WarOnCars - Walking - Noticing - Green - North Tyneside - North Shields - UK
@citybeautiful.nebula.tv
Assistant professor, City and Regional Planning, Cal Poly SLO Producer of YT channel City Beautiful
@sgoodyear.bsky.social
Writer. New Yorker. Co-host, The War on Cars podcast. Our book, Life After Cars: Freeing Ourselves from the Tyranny of the Automobile, is out October 21, 2025. lifeaftercars.com
@leahstokes.bsky.social
Professor of climate + energy policy at UCSB. Alumni of MIT, Columbia and UToronto. Hosts "A Matter of Degrees" podcast. Cuts carbon pollution! Proudly 🇨🇦 Gardener 🌱 leahstokes.com
@nerd4cities.bsky.social
Plangineer (AICP) when I’m at work, alter ego CityNerd when I’m not. New videos on cities and transportation every Wednesday. http://linktr.ee/CityNerd 🐘 @nerd4cities
@jenniferhomendy.bsky.social
Chair of the National Transportation Safety Board (NTSB, not NHTSA), swim-bike-run mom, coffee addict. Views are my own. More about me here: https://www.ntsb.gov/about/board/Pages/Jennifer-Homendy.aspx.