Jonas Gaiswinkler @gaiswinkler.eu Digital transformation @ ÖBB INFRA 🇦🇹🇪🇺, Er/he
Ben Goldfarb @bengoldfarb.bsky.social Independent conservation journalist writing a book about fish. Author of CROSSINGS, on #roadecology, and EAGER, on beaver belief.
Dominic Stucki @dominicstucki.ch European, democrat, public transport specialist and rail nerd from Zürich, Switzerland. Writes endless rail travel threads. Job: Concepts and network design at SBB.
🦣 urbanists.social/@dominicstucki
🌐 dominicstucki.ch
Stephen Jacob Smith @stephenjacobsmith.com Executive director of the Center for Building in North America (centerforbuilding.org), stephen@centerforbuilding.org. Personal account. Brooklyn, NY.
Saloni @scientificdiscovery.dev Co-founder & editor, Works in Progress. Writer, Scientific Discovery. Podcaster, Hard Drugs. Advisor, Coefficient Giving.
Newsletter: https://scientificdiscovery.dev
Podcast: https://harddrugs.worksinprogress.co
🏳️🌈
Philip Oldfield @sustainabletall.bsky.social Head of School at UNSW Built Environment and Professor of Architecture. Writer, researcher & teacher, tall buildings, climate change, embodied carbon, cities
Daniel Bowen @danielbowen.au Transport blogger / public transport advocate / campaigner and spokesperson for @ptua.org.au / professional geek. Opinions are all mine.
Bunurong land, Melbourne, Australia
wnd @willdeakin.bsky.social I write code and visualize data
I do governance for British railway IT plus European regulation
I believe data makes rail passengers lives better
Ask me how!
#Physicist #OpenData #DataScience
Steffen Mau @steffenmau.bsky.social Sociologist | MPI for Political and Social Science, Göttingen https://www.ips.mpg.de | HU Berlin https://www.sowi.hu-berlin.de/de/lehrbereiche/makro/mitarbeiter/Prof_Mau l social change, inequality, conflict, borders (pic Gesine Born), personal views
Museum of Twitter @museum-of-twitter.bsky.social 15 years of saved tweets.
@tfederman.bsky.social
Rachel Cole @rmartincole.bsky.social Curator, Northwestern University Transportation Library. All scanned images are from NUTL’s collections, unless otherwise indicated. Banner photo is from a promotional packet for the L-1011.
Eric Wastl @was.tl Created http://adventofcode.com, http://compute-cost.com, http://anoik.is, http://was.tl/projects/; Principal Architect at https://acvauctions.com
old roadside pics @roadside.xor.blue i post public domain photographs from the john margolies roadside america archive in the library of congress. unaffiliated. built by @xor.blue
Evelina Akimova @evakimova.bsky.social 
Miles in Transit @milesintransit.com I push transit to its limits, while attempting to be entertaining.
Jamie Furlong @jwfurlong.bsky.social Research Fellow: University of Westminster
Green Party councillor, Todmorden West
Author: The Changing Electoral Map of England & Wales
Urbanism, geography, politics
Patrick Radden Keefe @praddenkeefe.bsky.social New Yorker staff writer. Author of Rogues, Empire of Pain, Say Nothing. Podcast: Wind of Change. Producer of FX series Say Nothing, now streaming on Hulu (in the US) and Disney+ (everywhere else).
New book coming April 7, 2026: London Falling.
Nick Andert @nickandert.bsky.social Documentary filmmaker, writer, occasionally notable for Metro advocacy. Enjoys heist movies. Would probably enjoy heists.
He/Him | Los Angeles | www.deltavproductions.com
Thijs Niks @thijs.niks.nu https://twitter.com/thijsniks
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
lexande @lexande.bsky.social People need a place to go.
https://transit-timelines.github.io/
mastodon.social/@lexande
twitter.com/threestationsq
EmmanuelSPV @emmanuelspv.bsky.social Photos & videos about the changes happening in Paris. SPV means "Sortir de Paris à Vélo" ("Cycle out of Paris"), which is my old website about how to cycle out of Paris on some cycle lanes in the suburbs. http://www.sortirdeparisavelo.fr/blog/
G Elliott Morris @gelliottmorris.com i write the data-driven politics newsletter Strength In Numbers: gelliottmorris.com/welcome
pollster: https://wavepolling.com
book: wwnorton.com/books/Strength-in-Numbers
polls/forecasts: @fiftyplusone.news
formerly 538 & The Economist
Noam auf Gleis 13 @aufgleis13.bsky.social Verkehrsplaner (er) in Ausbildung, Nachtzugliebhaber, Streckensammler und GA-Ausnützer. Links aus voller Überzeugung. Wohnhaft in der Schweiz, aber unterwegs zuhause.
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Adam Tooze @adamtooze.bsky.social Chartbook Substack https://adamtooze.substack.com/
OnesandTooze podcast https://foreignpolicy.com/podcasts/ones-and-tooze/
C******* University historian, Director European Institute, Chair Cttee on Global Thought.
Economics, history, theory, politi
Effective Transit Alliance @etany.org ETA advocates for high-quality, accessible, and forward-looking transit through internationally-inspired, technically-oriented analysis in greater New York.
Merlin Schaeffer @mschaeffer.bsky.social Professor of Sociology at University of Copenhagen. I study how immigration transforms societies. Diversity | Integration | Discrimination | Misperceptions
Sebastian E. Wenz @sewenz.bsky.social Social Scientist. Senior researcher at GESIS - Leibniz Institute for the Social Sciences, Cologne.
www.sewenz.com
Oliver Nachtwey @onachtwey.bsky.social Sociologist. Interested in (digital) capitalism, work, authoritarianism and social conflicts. Book: „Zerstörungslust. Elemente des demokratischen Faschismus“, Berlin: Suhrkamp.
https://linktr.ee/zerstoerungslust
The Man in Seat 61 @seatsixtyone.bsky.social Mark Smith, the Man in Seat 61, the chap who runs that train travel site http://seat61.com. YouTube: http://youtube.com/c/seat61.- S Andrew Gelman et al. @statmodeling.bsky.social Automatically tweets new posts from http://statmodeling.stat.columbia.edu
Please respond in the comment section of the blog.
Old posts spool at https://twitter.com/StatRetro
Florian Stöger @fdms.eu Young explorer // trains and spaces, travel and places // transit information design and local politics by day, rail travels by night // from Vienna 🇪🇺
New New York Times @nyt-first-said.bsky.social Tweets words when they appear in the New York Times for the first time.
@nyt-said-where.bsky.social for context
maintained by @maxbittker.bsky.social
Brian Beutler @brianbeutler.bsky.social Off Message, Politix.fm;
Formerly: Crooked Media, TNR, TPM; www.offmessage.net/subscribe
Christof Spieler @christofspieler.bsky.social Director of Transportation, Madison, WI; Author of “Trains, Buses, People: An Opinionated Atlas of US and Canadian Transit,” Island Press, 2021, “Transportation and the Shape of Cities,” Island Press, 2026. (he/him) PE/AICP/LEED AP (Views are my own.)
Charlie Marsh @crmarsh.com Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
BRD noir @brdnoir.bsky.social Zeitkapseln verdrängter Dunkelheit
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
Pseudoerasmus @pseudoerasmus.bsky.social I bleat about the history of global economic development
https://pseudoerasmus.substack.com/
https://pseudoerasmus.com
https://medium.com/@pseudoerasmus
tristramg @tristramg.eu Cartographie, données ouvertes, transports, énergie ; le tout avec quelques biais anarchistes
Parigo pur jus (mais pas français)
Helene Dyrhauge @hdyrhauge.bsky.social Associate Professor & Head of Studies for the social science bachelor programmes at Roskilde University.
I'm interested in climate, energy & transport policies, sustainability transition, and higher education
Kurswagen @kurswagen.bsky.social TU-Wien-Bauingenieur. Entwirft Infrastruktur und mehr für (über)morgen bei der ÖBB-INFRA. 🗨️ DE / well EN / donekle BHS / trochu ČS
Marco Chitti @chittimarco.bsky.social Researcher on urban planning and public transportation.
https://marcochitti.substack.com/
Nilo @nilo.bsky.social Mentally I’m on the beach.
Railway Electrification
Matthew Kay @mjskay.com Assoc Prof Computer Science and Communication Studies at Northwestern. Infovis, HCI. Author of tidybayes & ggdist R pkgs. he/him. 🏳️🌈 https://mjskay.com/
Co-director https://mucollective.northwestern.edu
Co-founder https://journalovi.org
Andrew Heiss @andrew.heiss.phd Assistant professor at Georgetown University in Qatar (formerly GSU, BYU). Study NGOs, human rights, international politics, causal inference, and stats. 6 kids.
#rstats forever.
andrewheiss.com
Signal: andrewheiss.01
Aki Vehtari @avehtari.bsky.social Professor in computational Bayesian modeling, Aalto University, Finland. Co-author of Bayesian Data Analysis 3rd ed, Regression and Other Stories, Active Statistics and Bayesian Workflow. #mcmc_stan and #arviz developer.
https://users.aalto.fi/ave/
Uri Simonsohn @urisohn.bsky.social Pragmatic methodologist and behavioral scientist at Esade business school. Barcelona
website: https://urisohn.com
Blog: https://DataColada.org
Bobby Fijan @bobbyfijan.bsky.social Building Housing for Families
Jo Kibble (Political Animal) @politicanimal.bsky.social politic_animal from the Musk shop.
Local government policy adviser by day. Timetable wrangler/travel challenge story-teller by day and night. Once branded ‘Twitter’s answer to Phileas Fogg’
YouTube: https://youtube.com/@travelling_turtle?si=WGsuH_ffy0bqKr2
Popehat @kenwhite.bsky.social Defunct account of Ken White, criminal defense attorney and First Amendment litigator. Co-host of Serious Trouble podcast and writer at The Popehat Report. Opinions here are my own. Decent people fight evil.
Signal: KenWhite.1969
Don Moynihan @donmoyn.bsky.social Policy Professor, Ford School, University of Michigan.
Irish immigrant. Administrative burdens guy.
Free newsletter, Can We Still Govern?: https://donmoynihan.substack.com
Jarrett Walker @humantransit.bsky.social Public transit planning consultant and commentator. Author of the book “Human Transit” and the blog HumanTransit.org. The consulting firm is jarrettwalker.com. Also obsessed with literature and plants.
Yonah Freemark @yonahfreemark.com Transport / Housing / Land Use / Politics / @urbaninstitute.bsky.social / Le progrès ne vaut que s’il est partagé par tous / yonahfreemark.com / thetransportpolitic.com
tj mahr 🤘 @tjmahr.com data scientist studying how kids learn to speak, dad, jump roper, bayesian, husband to @amandawalrus.bsky.social, tjmahr.com, Madison, WI
Maarten J. Bijlsma @mjbijlsma.bsky.social Senior Biostatistician at the Netherlands Comprehensive Cancer Organisation (IKNL). Former Max Planck Institute for Demographic Research & University of Groningen.
Not to be confused with prof. Maarten F. Bijlsma.
Rural Indexing Project @ruralindexing.bsky.social Buildings, signs, and symbols collected by keyword. Original photographic documentation since 2010.
Chicago, IL — www.ruralindexingproject.com
London Reconnections @lonrec.bsky.social Transport analysis for London and occasionally beyond.
Jan Fuhse @fuhsejan.bsky.social Sociologist passionate about theory, networks, communication, and the like. Communication in English / Deutsch. He / him.
Please, don't try to sell me cryptos ...
Jenn Lena @jenniferlena.bsky.social Feminist, abolitionist, anti-racist collector of religious kitsch and novel experiences.
Skeets are mine and mine alone, & u should hold my employer accountable for their words and deeds.
web3 is going just great @web3isgoinggreat.com tracking only some of the many disasters happening in crypto, defi, NFTs, and other blockchain-based projects since 2021 • created by @molly.wiki
web3isgoinggreat.com
Randall Munroe @xkcd.com 
Diego @ryukyu-hsr.bsky.social Southeast North-Rhine-Westphalia.
Blog: metrovelododo.wordpress.com
Jon Worth @jonworth.eu European, originally a Brit, became German, moved to France. Runs #CrossBorderRail project, writes a newsletter about railways. Green, lives happily without a car.
Normally stuck on a train, stuck in a village, or escaping either on a folding bicycle.
Tobias Rüttenauer @ruettenauer.bsky.social Quantitative Social Science at C3S Frankfurt. Climate Change, Environmental + Urban Sociology, Spatial Demography and Methods, with ❤️ for Fixed Effects and 🚴
Ehud Karavani @ehudk.bsky.social Research Staff Member at IBM Research.
Causal Inference 🔴→🟠←🟡.
Machine Learning 🤖🎓.
Data Communication 📈.
Healthcare ⚕️.
Creator of 𝙲𝚊𝚞𝚜𝚊𝚕𝚕𝚒𝚋: https://github.com/IBM/causallib
Website: https://ehud.co
Defector @defector.com The last good website.
Khoa @khoavuumn.bsky.social 
Frank Harrell @f2harrell.bsky.social Professor of Biostatistics
Vanderbilt University School of Medicine
Consultant, clinical trials/drug development
https://hbiostat.org https://fharrell.com
Alon (they/them) ↙️↙️↙️ @alonlevy.bsky.social Transit researcher in Berlin. Lived in Tel Aviv, Singapore, the Riviera, New York, Providence, Vancouver, Stockholm, Paris. https://pedestrianobservations.com/ http://patreon.com/alonlevy alon@pedestrianobservations.com @alon@mastodon.social
Data Colada @datacolada.bsky.social Announcing posts for our blog.
This account is seldom monitored.
Johannes Franzen @johannesfranzen.bsky.social Literatur- und Kulturwissenschaft, u.a. FAZ, taz, Zeit Online und Merkur. Redaktion 54books. Newsletter: kulturundkontroverse859.substack.com/
https://linktr.ee/johannesfranzen
John Burn-Murdoch @jburnmurdoch.ft.com Columnist and chief data reporter the Financial Times | Stories, stats & scatterplots | john.burn-murdoch@ft.com
📝 ft.com/jbm
Patrick Bahners @pbahners.bsky.social Geisteswissenschaften und Feuilleton
Michael Hobbes @michaelhobbes.bsky.social Solitary, poor, nasty, brutish and short.
Marcel Fratzscher @mfratzscher.bsky.social President of DIW Berlin and Professor for Macroeconomics at Humboldt University.
Economist, author, and columnist for Die Zeit: https://www.zeit.de/serie/fratzschers-verteilungsfragen
Peter @notalawyer.bsky.social No longer in good standing with the New York State bar
My newsletter: StringinaMaze.net
Adrian Daub @adriandaub.bsky.social "Zeitgeistprofessor". Cultural history, gender research at Stanford. Books: WHAT TECH CALLS THINKING (2020); THE CANCEL CULTURE PANIC (2024). WHAT TECH CALLS GOVERNING and PROJECT 1933 (2026). Pod: In Bed With the Right. Newsletter: adriandaub.substack.com
Jenn Dowd @drjenndowd.bsky.social Prof of Demography & Population Health @oxforddemsci.bsky.social | Mortality, Epidemiology, Infections/Immunity, Biosocial science, COVID-19. | Science Communicator 🇺🇸 in 🇬🇧.
Substack: https://jenndowd.substack.com
Vincent Arel-Bundock @vincentab.bsky.social Prof. Most tweets about R. “Polisci, it’s all about what’s going on.”
http://arelbundock.com
Julia M. Rohrer @dingdingpeng.the100.ci Personality psych & causal inference @UniLeipzig. I like all things science, beer, & puns. Even better when combined! Part of http://the100.ci, http://openscience-leipzig.org
Jeremy Freese @jeremyfreese.bsky.social Social scientist at Stanford
Kristian Bernt Karlson @kbkarlson.bsky.social Professor of Sociology | Social Science DGS | Education and Social Mobility | ERC Grantee | The K in KHB | Winner of Boudon + Goodman Awards | I Like Quantitative Methods and Great Sociology
Patrick Präg @ppraeg.bsky.social I'm a sociologist working at the Center for Research in Economics and Statistics (CREST)
I also have a website: patrickpraeg.com
Tim Riffe @timriffe1.bsky.social danger, demography, and data
Philip N Cohen @philipncohen.com Sociologist and demographer, U. of Maryland; SocArXiv director.
Latest book: Citizen Scholar: Public Engagement for Social Scientists https://cup.columbia.edu/book/citizen-scholar/9780231555418
Website: philipncohen.com
Blog: familyinequality.com
Ryohei Mogi @ryomogi.bsky.social Demographer bridging research and action
Turning evidence into action to tackle low fertility with policymakers, media, & society.
📩 ryohei.mogi(at)upf(.)edu
Ilya Kashnitsky @ikashnitsky.phd Demographer / Senior Researcher @dst.dk / Affiliate Member @oxforddemsci.bsky.social / Board @demografi.dk
✨ @datavizartskill.ikashnitsky.phd
📝 https://ikashnitsky.phd
😍 #demography #dataviz #rstats
🙌 #openscience #bibliometrics
🔗 https://bio.link/ikx
Mike Mahoney @mikemahoney218.com Helped build NYS's Forest Carbon Assessment. Currently helping build public water data infrastructure. PhD in Environmental Science.
#rstats, ML, Boston and spatial data.
Opinions my own. RTs imply causation.
https://mm218.dev
github.com/mikemahoney218
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.