Madeleine Bonsma-Fisher, PhD @mbonsma.bsky.social Transportation data scientist at the University of Toronto, physicist at heart.
I post about bikes and safe streets, local politics, and sometimes science. She/her.
Transitland @transit.land Buses, trains, subways, ferries, and more transit open to the public around the world. Aggregated from open-data feeds into a single API.
Explore at https://www.transit.land/map
For support post to https://github.com/transitland/transitland/discussions
CCC @ccc.de Der Chaos Computer Club ist eine galaktische Gemeinschaft von Lebewesen für Informationsfreiheit und Technikfolgenabschätzung. https://ccc.de
JackTatt 🇨🇦 @jacktatttran.bsky.social MASc. Graduate from UofT CivMin who researched public transport fare and service integration @TAL_UofT.
Like trains and buses and trams and people. Urban Transit Planning. I ❤️ CANDU nuclear.
The Network Planner @thenetworkplanner.bsky.social Providing insights into the world of airline performance and route development from the viewpoint of a retired Network Planner.
California Transit Association @caltransit.bsky.social The California Transit Association's mission is to support the needs of California's public transit systems through advocacy and education.
https://caltransit.org/
Michael Pimentel @mvpimentel.bsky.social mostly transit talk // executive director @caltransit // alum of @goldmanschool @berkeleyecon // former @jerrybrowngov @cahsra // LA native living in NorCal 🇲🇽
// opinions = my own
Caltrain Alerts @caltrainalerts.bsky.social Official alerts account for @caltrain.com
This account is automated and is not monitored.
Center for Connected and Automated Transportation (CCAT) 🚗 @umichccat.bsky.social The U.S. Department of Transportation Region 5 University Transportation Center. Promoting connected and automated transportation research, education, workforce development, and technology transfer.
Learn more: https://ccat.umtri.umich.edu
⿻ Audrey Tang 唐鳳 @audreyt.org 2025 Right Livelihood Laureate, Senior Accelerator Fellow at Oxford's Institute for Ethics in AI, and Taiwan's founding Minister of Digital Affairs. https://cyberambassador.tw/
ProPublica @propublica.org Investigative journalism in the public interest. Headlines and (sometimes literal) receipts.
propublica.org
Nebula @nebula.tv “Indie streaming service” —Variety
https://nebula.tv
Jet Lag The Game On My Phone @jltgonmyphone.bsky.social 
Tom Scott @tomscott.com I make things. They’ll probably come back to haunt me in a few years’ time. https://www.tomscott.com/
Sam (from Wendover) @samfromwendover.bsky.social 
ben doyle @thewheatgerm.bsky.social professional magic: the gathering player
https://www.instagram.com/thewheatgerm/
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
Steve Klabnik @steveklabnik.com #rustlang, #jj-vcs, atproto, shitposts, urbanism. I contain multitudes.
Working on #ruelang but just for fun.
Currently in Austin, TX, but from Pittsburgh. Previously in Bushwick, the Mission, LA.
NBC Bay Area @nbcbayarea.com News, investigations, weather, sports and more covering the San Francisco Bay Area.
↪ www.nbcbayarea.com
Bay Area Times @bayareatimes.bsky.social 🗞️ The visual daily newsletter on business and tech.
📈 Analyzing the news with 1 visual per story.
Join our 60,000+ subscribers here.👇
City and County of San Francisco @sfgov.sf.gov Official City and County of San Francisco Bluesky Page. Account monitored Monday-Friday 8 am-5 pm.
Get to know us, visit https://www.sf.gov/
Travis R. Eby @travis-robert.bsky.social NYC / 🏳️🌈🇺🇸🇵🇱 / Trains, bikes, housing / Language lover: EN FR IT PL RU AR DE ES
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Q Carlson @qcc.bsky.social @qcintheair elsewhere. qcarlson.com
Political Science Department at Northwestern University @polisciatnu.bsky.social Official account of Northwestern University's Political Science Department. https://lnk.bio/polisciatnu
Roberta Buffett Institute for Global Affairs @buffett.northwestern.edu The Roberta Buffett Institute for Global Affairs draws on cutting-edge international research across Northwestern University's 12 schools to generate new knowledge about pressing global challenges and promising solutions for addressing them.
Northwestern Medill School @medillschool.bsky.social Medill School of Journalism, Media, Integrated Marketing Communications at Northwestern University.
Ben Golub @bengolub.bsky.social economics and computer science professor at Northwestern
bengolub.net
social and economic networks
originally from Ukraine
Marciano Siniscalchi @marciano.bsky.social Econ prof at Northwestern. Tech enthusiast. TeX devotee. Pythonista. Weekend runner. Born and raised in Milan 🇮🇹, living in Chicago 🇺🇲. Husband and dad.
https://faculty.wcas.northwestern.edu/msi661
(pardon the handcrafted 90s-style HTML)
William J. Brady @williambrady.bsky.social Assistant prof @ Kellogg School of Management, Northwestern University. Studying emotion, morality, social networks, psych of tech. #firstgen college graduate
Costa Samaras @costasamaras.com Climate, energy, emerging tech, resilience, & policy professor. Carnegie Mellon Univ. Institute for Energy Innovation Director. Former Biden-Harris White House OSTP Chief Advisor for the Clean Energy Transition. Personal account. He/Him. costasamaras.com
Jeffrey Lin @jeffrlin.bsky.social Economist studying cities, regions, and growth. West Philly dad. Views are my own. https://jlin.org/
Lewis Lehe @lewislehe.bsky.social Assoc. Prof at University of Illinois Urbana-Champaign. Traffic, transit and economics. https://lehelab.com/
Grant McKenzie @grantdmckenzie.bsky.social Associate Professor of Spatial Data Science at McGill University. Place • Mobility • Privacy.
https://grantmckenzie.com
@yimbyalexandriaken.bsky.social @yimbyalexandriaken.bsky.social Ask me about Alexandria Bicycle and Pedestrian Advisory Committee (BPAC)
Yuan Liao @yuanliao.bsky.social Visiting postdoc in mobility data science at Technical University of Denmark | postdoc at Chalmers University of Technology. #UrbanBigData & #Transportation | yuan-liao.com
Beth Zeitler @ezeitler.bsky.social Energy Facts, Analysis, and Policy. Associate Director at the National Academies Board on Energy and Environmental Systems. I used to have hobbies, now I have kids. That was meant to be funny, so adding an exclamation point/emoji so you get the vibe! 😁
Made2Walk @made2walk.bsky.social Education 👩🏫 Engagement🤼♂️ Consulting 👩💼 Pedestrian-oriented Motorist Course 👩🎓
Advocacy 🧑🦼
Principal: Ana Lucaci, MPH (Doctoral Student in Transp Engineering)
made2walk.com
Stephanie Dock @planneronthego.bsky.social Wandering lover of cities, transportation nerd in DC, knitter, assembler of creations for the small human
Gretchen Goldman, PhD @gretchentg.bsky.social President @ucs.org. Previously: USDOT, White House OSTP, @500womensci.bsky.social. Environmental engineer. Mom. Cyclist. Public Transit Enthusiast. Views my own. She/her.
David Edmondson @thegreatermarin.bsky.social Urban planner, specializing in transportation, but posts a helluva lot about indigenous political cartography. aka theGreaterMarin. Find me as @OctaviusIV elsewhere, too. DC and SF.
Nate Evans @wandersahn.bsky.social sustainable transportation, bikes, trails, music n stuff from around Baltimore
Hunter Owens @hunterowens.net los angeles-area resident, your friendly state transportation policy bureaucrat, architecture, tacos. 
Ann Hartell @annhard2tell.bsky.social Background in transportation planning and policy, research management, and architecture. Out of the labor force, but still curious about what smart people are working on.
More over here: http://www.annhartell.com
ianollis.bsky.social @ianollis.bsky.social Transportation and Politics geek. Live in #NoVa US. @MITDusp alum Former South African MP
Reason Policy @reasonpolicy.bsky.social Free minds and free markets. Trans rights are human rights. Passionate about economics, free speech and criminal justice reform. And disc golf…
Harvey J. Miller @mobileharv.bsky.social Sustainable mobility scholar and practitioner. Reusche endowed chair in GIS, Professor of Geography and Director, CURA, The Ohio State University. “Generally friendly if you get him talking about bikes.” - RateMyProfessor
https://u.osu.edu/miller.81/
Kona @kona.moi Transit stuff: app maker (pantographapp.com) and planning analyst (communitytransit.org) • 🚌🚉☕️🏳️🌈 • Mostly urbanism, left politics, local stuff, GTFS randoms. Basically just Swift (BRT), Swift (language), and Swift (Taylor) • he/him
la flaneuse 😷 @laflaneuse.bsky.social MSP from KCMO. She/her/they. Abolish ICE. Cities, transportation, books, WNBA (go Lynx!), still masking bc Covid never went away and it’s not a cold. @lalaflaneuse on IG
Jackson Moore-Otto @jmooreotto.bsky.social Transpo policy @publicenterprise.bsky.social , also fighting for abundant housing + transit in MA. Anti-cynicism.- L Lee Biernbaum @leebier.bsky.social Transportation Policy, Brookline Housing and Town Meeting, work for MassDOT/MBTA but views all my own.
ahnjo @jonathanahn.com Route & System Plng @metrotransitmn.bsky.social
Personal opinions on quasi-professional topics.
APTA ELP 2025. 🚌transit 🗺️planning ⚙️ops
UC Berkeley ITS @berkeleyits.bsky.social Official account of the UC Berkeley Institute of Transportation Studies. We develop and test leading-edge innovations influencing the movement of people and goods, while advancing sustainability, economic health, and quality of life.
www.its.berkeley.edu
Velocipedestrienne 🇿🇦 @hayiwena.mastodon.online.ap.brid.gy Recovering traffic engineer, LCI, former bike coop board member, and pied biker of SE WA. Drag stan. Here by the grace of squats, held together mostly by KT […]
[bridged from https://mastodon.online/@HayiWena on the fediverse by https://fed.brid.gy/ ]
Scudder Wagg @scudderwagg.bsky.social President + Principal Consultant at Jarrett Walker + Associates. Helping to build vibrant cities with better transit. Arlington, VA based.
Ashleigh Filtness @ajfiltness.bsky.social Professor of Transport Human Factors & Sleep Science at Loughborough University #SleepAndSafety #DriverFatigue #DriverSleepiness #RoadSafety *views are my own*
Alex Karner @alexkarner.bsky.social associate professor//community & regional planning. mobility justice, transportation equity, civil rights, environmental justice, accessibility, GIScience, etc. views my own.
longer-form writing: https://alexkarner.substack.com
Willem Klumpenhouwer @wklumpen.bsky.social Transit research and data analytics consultant. Co-founder @moreneighboursyyc.bsky.social. The world would be a better place if we all rode the bus more often.
www.klumpentown.com
Chris Alfano @themightychris.bsky.social I'm just over here tryina help avert the next great filter where MBAs and concentrated tech optimize us all into grey goo...
#civictech #publictransit #opensource #govcapacity
TruckerDesiree @truckerdesiree.bsky.social Truck Driver/Founder of REAL Women in Trucking Organization addressing unsafe truck driver training issues. I like eating crackers in bed.
Jessica Schoner @jschoner.bsky.social Pretty much just here for the #TRBAM updates in January, and then quiet the other 50 weeks of the year. Active transportation, safety, parenting, and data stuff.
Veronica O. Davis @veronicaodavis.bsky.social Author, Inclusive Transportation: A Manifesto for Repairing Divided Communities
veronicao.com
She/Her #TransportationNerd #InclusiveTransportation 🔺🐘
Patrick McMahon @patrick-mcmahon.bsky.social Community & transportation planner in Baltimore into bicycling, cities, neighborhoods, transit, accessibility>mobility, equity, craft beer, soccer, basketball, books, our planet, and much more. Owner of @ReBcycle.bsky.social
🚲🚶🏻🚌🚃🚇🏙️🌍♻️📚⚽️🍺+
@evalpavement.bsky.social @evalpavement.bsky.social An account to discuss pavement and related infrastructure.
@edgardoblock.bsky.social
Solivagant Eileen @myrna38717.bsky.social Pedestrian rights advocate. Aging non-driving/walking/public transit user. Atheist. Retired Lawyer. Ukulele.
Edgardo Block @edgardoblock.eurosky.social Personal account for personal comments, which are my responsibility and no one else’s - not my employer nor any other affiliation.
Argentina-born American, transport infrastructure professional. Started the empty @evalpavement.bsky.social.
Seth LaJeunesse @sethlaj.bsky.social Transportation systems researcher. The reason cities keep failing cyclists and pedestrians isn’t engineering. It’s deeper. It’s coalition politics and cultural signaling. That’s what I write about.
Robert Puentes @robpuentes.bsky.social Vice President and Director of Brookings Metro. Formerly President & CEO of the Eno Center for Transportation.
Edward Russell @byerussell.com Fascinated by things that go and the infrastructure around them. Words: The Washington Post, The Points Guy, CNN Travel, and more.
E-bike dad. Runner, cyclist, hiker, swimmer.
https://linktr.ee/mrerussell | Signal: byer.32
John Paddington @padders123.bsky.social Transport technology, Birmingham and some other stuff.
Occasional photos of Travel Basil to promote St Basils homeless charity that works with young people in Birmingham.
Huyen Le @huyentkle.bsky.social Urban transport/health researcher. Assoc Prof @ Ohio State University. Interested in sustainable transportation, environmental exposure, environmental justice, well-being, & coconuts. Personal account.
https://u.osu.edu/huyenle/
rohan aras @rohanaras.bsky.social Senior Transportation Policy Analyst @niskanencenter.bsky.social
Luyu Liu @luyuliu.bsky.social Assistant Professor @AuburnGeosciences. Transportation geography, Public transit, Urban computing. luyuliu.github.io
Lindsay Shelton-Gross @lsheltongross.bsky.social Association comms, external relations, PR & strategy. Mostly transportation, workforce, and the cold chain. Sometimes other things. Curious, in general. Reluctantly at @lsheltongross on X.
@danielkins.bsky.social @danielkins.bsky.social Transportation mostly
Steven Polunsky @polunsky.bsky.social Mobility, energy, technology, security. Northwest based. 
Stephen Repetski @srepetsk.net Trains, transit, pedestrian advocacy | @MetroReasons for @GGWash | he/him | tips@srepetsk.net | 🚶♂️🚴♂️🚆👨💻✍️🏳️🌈
Socials:
Mastodon: https://dmv.community/@srepetsk
Signal: srepetsk.08
Pixelfed: srepetsk
Gerrit De Vynck @gerritd.bsky.social Washington Post tech reporter
San Francisco
Defense tech and AI
https://www.washingtonpost.com/people/gerrit-de-vynck/
Signal: GerritD.27
WGN NEWS @wgntv.com Chicago's Very Own ✶ ✶ ✶ ✶ WGNTV.com
✶ https://WGNTV.com/live
✶ https://WGNTV.com/weather
Rock Miller @rockmiller.bsky.social Traffic Engineer with focus on walking, biking, and safety. Pioneer In bikeway deign. Working to bring best international designs to US.
J. I. Swiderski, MURP @swiderski.bsky.social // 🚶, 🚲, & 🚌 advocate & planner; ANC1B03 candidate
// DC Michigander; Pitt+VATech alum
// fan of cities; walking, bikes, & buses; maps; libraries; baseball & hockey; puns; oxford commas; & semicolons
// Opinions mine, but you can have 'em
// 💜🤍💚 they/he
Gaël @gaellebris.bsky.social Aero & civil engineer. Planner. | VP & Tech Fellow at WSP. Groupe ADP alumnus. | Skeets reflect personal opinion. Following, likes & reskeets ≠ endorsements. | Talk about #airports, #aviation, #engineering, #infrastructure, #mobility & #transportation 🚁🛩️✈️🚀
Jacob Wasserman @jacoblwasserman.bsky.social Transportation research @uclaits.bsky.social 🚌 • @ucla.edu Luskin alum 🐻 • Vice Chair @cityofsantamonica.bsky.social Planning Commission 🎡 • formerly @sfmta.com 🌉 and @newhavendot.bsky.social 🍕 • he/him/his • views my own
its.ucla.edu/jacob-wasserman
Connor Riley @connorriley.bsky.social Co-Founder Ontra Mobility. Ex-@Google. PhD from @GeorgiaTechISyE. Formerly @UMIOE & @UConn. Backend+DevOps for MARTA Reach. Avid fan of @UConnWBB. He/Him
UC Berkeley SafeTREC @ucberkeleysafetrec.bsky.social Our mission is to inform decision-making and empower communities to improve roadway safety for all. https://safetrec.berkeley.edu/
Sandy Johnston @sandypsj.bsky.social Transit geek. Planner. Cat dad. Cubs fan. Deputy Director of Regional Transit Planning at MBTA. Blogging much less than I'd like at www.itineranturbanist.wordpress.com.
Opinions my own.
Laurie! Live! @laurie-merrell.bsky.social Current* conditions:
🏙 Chicagoan (Rogers Park) 🔢 data 🚍 transit 🚲 bike 📰 local news 🌊 Lake Michigan stan account 🙊 views mine ✍️ lauriemerrell.com 👤 she/her
Meghan @mamakoid.bsky.social NEPA nerd. Transit geek. Environmental Transit Planner. Rosie's mom.
I write big documents and I cannot lie.
❤️:🐕☕️🚲🚏🚍🚃🚊🚇🌻
🏡: RGH ➡️CLT➡️DNC
#TransitNerdHerd #NerdTrain #TransitThursday
PYZC - A. Philip Railroad @pyzc773.bsky.social Transportation Planner || Transit Map Maker || Photographer || Anti-New Jersey Account
Dual Chicago/DC citizenship wielder. Now in NYC. I also talk about Philly & Baltimore
All opinions are especially my own
Prints & Maps: https://linktr.ee/pyzc773
Pat Host @pathost.bsky.social Tennis lover, Latin American futbol fan. DC resident. Mass transit supporter and pedestrian advocate. Squash player. Press freedom backer. WMU grad.
FabCityCrissy @fabcitycrissy.bsky.social Transit, urbanism, and cities
Patrick McDonough @citybeautiful21.bsky.social 21st-century Urban Planning, Public Transit and Rail geekery from a husband and dad who rides buses and bikes. Wake Forest / Boston sports fan.
Views are mine only.
Kendra K. Levine @kklevine.bsky.social Transportation librarian, academic worker, unionist, bike person. 
Peter Koonce 🚦 @pkoonce.bsky.social Transportation Professional from Portland, Oregon #RCTID #GoBeavs
He/him
Greg Rogers @gregrr.bsky.social Excuse me, did you see The Future of Mobility™ go by here earlier?
Founder of Aries Public Policy; Host of Beyond Streets Podcast
Cathy Wu @cathywu.bsky.social AI & Transportation | MIT Associate Professor
Interests: AI for good, sociotechnical systems, machine learning, optimization, reinforcement learning, public policy, gov tech, open science.
Science is messy and beautiful.
http://www.wucathy.com
LiTrans @litrans.bsky.social Laboratory of Innovations of Transportation.
Bilal @billjee.bsky.social 
Alexa Delbosc @alexadelbosc.bsky.social Australian academic and researcher. Talk to me about sustainable transport or psychology and transport. Taller in real life.