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Brian Caulfield

@briancaulfield.bsky.social
1.7K followers 262 following 261 posts

Professor in Transportation, Dept of Civil Engineering, Trinity College Dublin, Research in Transport, Public Transport, Transport Emissions & Climate Change. peoplefinder.tcd.ie/Profile?Usernam…

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Brian Caulfield @briancaulfield.bsky.social · 27/09/2026
The gaping hole in Colm McCarthys article in the Business Post today is this "The only available evaluation of MetroLink’s costs and benefits was released as part of the TII’s preliminary assessment in 2022."..... A business case was published last week..... www.businesspost.ie/analysis-opi...
businesspost.ie
Colm McCarthy: There’s a gaping hole in the case for the €16bn MetroLink
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Royal Irish Academy @ria.ie · 13/08/2026
The RIA Discourse Series brings international experts to the RIA to discuss important contemporary issues in front of a public audience. In this short video, @briancaulfield.bsky.social shares with us what evidence gaps need to be addressed to improve all-island infrastructure preparedness.
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Reposted by Brian Caulfield
Royal Irish Academy @ria.ie · 13/08/2026
The event ‘All-island infrastructure resilience: how can we prepare?’ featured Claire Dupont, Ghent University, Dr Juliet Mian, a fellow at Arup and Sir David Sterling, Chair of NI Electricity Network. Moderated by @briancaulfield.bsky.social, Trinity College Dublin. www.ria.ie/video/discou...
ria.ie
Discourse Series | All-island infrastructure resilience: how prepared are we? - Royal Irish Academy
This Discourse explores the state of critical infrastructure resilience across the island of Ireland, focusing on how prepared we are for extreme weather events, natural disasters, and water resource ...
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Brian Caulfield @briancaulfield.bsky.social · 30/07/2026
www.irishtimes.com/opinion/2026...
irishtimes.com
Brian Caulfield: We shouldn’t lose sight of the fact that e-scooters are a sustainable transport option
Battery-powered scooters help cut emissions by replacing car journeys and when used with public transport
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Brian Caulfield @briancaulfield.bsky.social · 30/07/2026
www.newstalk.com/podcasts/hig...
newstalk.com
E- scooters role for sustainable transport | Newstalk
Writing in The Irish Times this morning Brian Caulfield, Professor in the School of Engineering a...
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Brian Caulfield @briancaulfield.bsky.social · 28/07/2026
I spoke to @rte.ie Drive Time yesterday about the increasing costs of MetroLink www.rte.ie/radio/radio1...
rte.ie
Cost of Metrolink could reach €19 billion
Brian Caulfield, Professor in Transportation in the Department of Civil, Structural and Environmental Engineering at Trinity College Dublin
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Brian Caulfield @briancaulfield.bsky.social · 24/07/2026
www.newstalk.com/podcasts/hig...
newstalk.com
MetroLink among nine projects set to be fast-tracked | Newstalk
The MetroLink, the Galway City Ring Road and the Greater Dublin Drainage Project are among the ni...
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Brian Caulfield @briancaulfield.bsky.social · 24/07/2026
I have written in the @businesspost.bsky.social today about the Critical Infrastructure Projects announced today. www.businesspost.ie/politics/bri... Main points: Negligible impact on advanced projects: MetroLink and Cork Rail are already too far along to benefit much.
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Brian Caulfield @briancaulfield.bsky.social · 18/07/2026
Fantastic research from @tcdengineering.bsky.social
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Brian Caulfield @briancaulfield.bsky.social · 18/07/2026
I joined @rte.ie Prime Time this week to discuss the delivery of the National Rail Traffic Management System www.rte.ie/news/primeti...
rte.ie
The €50m misstep: What's behind Irish Rail's massive write down?
Officials from Iarnród Éireann and the NTA were questioned by the Public Accounts Committee this week over €50m wasted on a new train traffic management system
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Brian Caulfield @briancaulfield.bsky.social · 25/06/2026
I joined @mattcooperlastword.bsky.social and Aidan Farrelly on the Last Word to discus our recent M50 study earlier www.todayfm.com/podcasts/the...
todayfm.com
Is There Any Solution To The M50’s Traffic Problems?
Since the M50 was first designed, population of the greater Dublin area has risen by 20%, with commuters now facing long delays on their journeys into the ci...
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Brian Caulfield @briancaulfield.bsky.social · 24/06/2026
Thank you to @rtebrainstorm.bsky.social for publishing the results of our M50 survey this morning. www.rte.ie/brainstorm/2...
rte.ie
Here's what M50 users have to say about congestion on that road
A new study shows the severe social, economic and wellbeing impacts that congestion is having on the motorway's users
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Brian Caulfield @briancaulfield.bsky.social · 17/06/2026
Very strong statements from the @ccacireland.bsky.social this morning on transport emissions www.climatecouncil.ie/councilpubli... Nice to see 7 of my papers being cited in this policy document. Thank you to @researchireland.ie, @seai-ie.bsky.social & @epaireland.bsky.social for funding this work
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Brian Caulfield @briancaulfield.bsky.social · 28/05/2026
Our M50 Survey will close on Tuesday! A big thank you to all that have taken the time to complete and share the survey. The link will be live till Tuesday, any help with sharing etc would be greatly appreciated. Link: eu.surveymonkey.com/r/D6TSRX7
eu.surveymonkey.com
M50 User Survey
Take this survey powered by surveymonkey.com. Create your own surveys for free.
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Brian Caulfield @briancaulfield.bsky.social · 16/05/2026
Delighted to speak at the Association of Consulting Engineers of Ireland (ACEI) conference on Thursday in Croke Park. Some of the key points made during the panel I spoke on are summarised in this Journal Article www.thejournal.ie/metrolink-co...
thejournal.ie
Ireland ‘faffed around’ on Metrolink and 'wasted a good recession' to build it, summit hears
A transport expert said that Dublin “loses €700,000 euro every day” due to congestion and lost productivity in the absence of a metro system.
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Brian Caulfield @briancaulfield.bsky.social · 15/05/2026
Two weeks in and over 2,100 responses.... If anyone hasn't done the survey or shared it, any help with this study would be very much appreciated! eu.surveymonkey.com/r/D6TSRX7
eu.surveymonkey.com
M50 User Survey
Take this survey powered by surveymonkey.com. Create your own surveys for free.
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Brian Caulfield @briancaulfield.bsky.social · 02/05/2026
I joined @mattcooperlastword.bsky.social yesterday to discuss our M50 Survey If you have time if you could please fill out the survey and share! Survey here: eu.surveymonkey.com/r/D6TSRX7 www.todayfm.com/podcasts/the...
todayfm.com
Why Is The M50 So Congested And How Can It Be Fixed?
Over the next four weeks, researchers at the Trinity Centre for Transport Research are surveying the opinions of M50 users on how congestion on the motorway ...
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Reposted by Brian Caulfield
Trinity Engineering @tcdengineering.bsky.social · 30/04/2026
The M50 is at capacity and there’s no quick fix. New analysis by @tcddublin.bsky.social's @briancaulfield.bsky.social and Matthew Wood looks at why congestion persists and what could help. 📰Read: www.rte.ie/brainstorm/2... ✅Share your experience of the M50: eu.surveymonkey.com/r/D6TSRX7
rte.ie
How do you solve a problem like the M50?
The capital city needs this road to operate efficiently, but congestion means the M50 is just not serving the needs of the people of the region
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Brian Caulfield @briancaulfield.bsky.social · 30/04/2026
📣 We are launching a survey today on the M50 and the impacts congestion is having! If you can, please complete the survey if you are an M50 user and share! Survey Link: eu.surveymonkey.com/r/D6TSRX7
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RTÉ Brainstorm @rtebrainstorm.bsky.social · 30/04/2026
How do you solve a problem like the M50? The capital needs this road to operate efficiently, but congestion means it's just not serving the needs of the people of the region, write @briancaulfield.bsky.social & Matthew Ward @tcddublin.bsky.social @researchireland.ie www.rte.ie/brainstorm/2...
rte.ie
How do you solve a problem like the M50?
The capital city needs this road to operate efficiently, but congestion means the M50 is just not serving the needs of the people of the region
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Brian Caulfield @briancaulfield.bsky.social · 29/04/2026
It was great to join @franmcnulty.bsky.social & @paulnews.bsky.social Cunningham on the Behind the Story podcast today to discuss fuel supports, EV car grants and how did over 100 new electric buses end up lying idle. www.rte.ie/radio/podcas...
rte.ie
Fuel supports and the electric buses going nowhere!
Professor of Transportation Brian Caulfield joins Fran and Paul to discuss fuel supports, EV car grants and how did over 100 new electric buses end up lying idle? [clue: there's no charger]!
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Reposted by Brian Caulfield
Trinity Engineering @tcdengineering.bsky.social · 29/04/2026
🎧 Prof @briancaulfield.bsky.social (@tcddublin.bsky.social Engineering) on @rte.ie Radio 1: 76 electric buses idle due to charging delays — raising concerns about cost & tech becoming outdated. But smaller rollouts (like Athlone) show what works. Listen: www.rte.ie/radio/radio1...
rte.ie
EV buses lying idle due to lack of charging infrastructure
Professor Brian Caulfield from School of Engineering at Trinity College Dublin.
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Brian Caulfield @briancaulfield.bsky.social · 27/04/2026
I joined Flor MacCarthy and Cónal Thomas on Oireachtas TV to discuss the potential impacts of the Critical Infrastructure Bill being brought forward by Minister Jack Chambers. Full clip here: lnkd.in/dX6TtRCj
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Brian Caulfield @briancaulfield.bsky.social · 25/04/2026
It’s going to be a beautiful - Deer Park in Mount Merrion
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Brian Caulfield @briancaulfield.bsky.social · 21/04/2026
I am quoted in the @theguardian.com this morning commenting on this recent report published by @transportenvironment.org on how to upgrade Europes public transport ticketing www.transportenvironment.org/articles/mod...
transportenvironment.org
Modernising the EU’s rail ticketing regulation
How to streamline passenger rail travel across Europe
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Brian Caulfield @briancaulfield.bsky.social · 18/04/2026
📣 New research. This study provides a critical advancement in urban transit planning by introducing a high-accuracy AI framework for multi-horizon forecasting of Dublin Luas passenger demand. Accurate forecasts enable more effective resource allocation and network expansion. doi.org/10.1016/j.as...
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Brian Caulfield @briancaulfield.bsky.social · 18/04/2026
I was on @newstalkfm.bsky.social yesterday discussing the proposed Cork Luas, I do hope my cynicism is misfounded as the City really needs this. www.newstalk.com/podcasts/hig...
newstalk.com
Cork Luas route unveiled - will it happen? | Newstalk
The new Cork Luas route was unveiled today with 27 stops, with the proposed route running from Ba...
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Brian Caulfield @briancaulfield.bsky.social · 17/04/2026
Happy World Public Transport day from Dublin! Public transport has a very long way to go in our city, lets hope by World Public Transport Day 2027, construction will have started on MetroLink, & progress will continue on BusConnects and our other Luas projects #WorldPublicTransportDay
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Reposted by Brian Caulfield
Royal Irish Academy @ria.ie · 15/04/2026
Read the blog by Dr @niallfarrell.bsky.social , @yai.ie member; co-coordinator for the ‘Energy and Environment’ research area and for the @esri.ie Energy Policy Research Centre, which reflects on the Discourse Series event ‘All-island infrastructure resilience’: www.ria.ie/blog/discour...
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The Science Matters @tscimat.bsky.social · 11/04/2026
Rural drivers travel the longest distances, so how can a single electric car help cut more emissions and reshape Ireland’s climate targets? Ireland’s climate plan may need a rethink. Article: thesciencematters.org/rural-irelan...
thesciencematters.org
Rural Ireland’s Electric Car Opportunity: New Model Uncovers Hidden Emissions Map – The Science Matters
Rural drivers travel the longest distances, so how can a single electric car help cut more emissions and reshape Ireland’s climate targets?
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Brian Caulfield @briancaulfield.bsky.social · 10/04/2026
Delighted to see research funded by @researchireland.ie highlighted in @tscimat.bsky.social thesciencematters.org/rural-irelan...
thesciencematters.org
Rural Ireland’s Electric Car Opportunity: New Model Uncovers Hidden Emissions Map – The Science Matters
Rural drivers travel the longest distances, so how can a single electric car help cut more emissions and reshape Ireland’s climate targets?
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Brian Caulfield @briancaulfield.bsky.social · 08/04/2026
📣 New research with Afaq Khattak just published in Sustainable Cities & Society. The work comes from the RATE project which is funded by @seai-ie.bsky.social authors.elsevier.com/c/1mv8O7sfVZ...
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Brian Caulfield @briancaulfield.bsky.social · 06/04/2026
📣 New research just published in the journal of Energy Economics. This research provides a hierarchical framework for transport decarbonisation, emphasising that transformational changes must be prioritised over incremental technological fixes doi.org/10.1016/j.en...
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Brian Caulfield @briancaulfield.bsky.social · 04/04/2026
Our @tcddublin.bsky.social College Dublin grounds always look amazing, but I do love this time of year!
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Brian Caulfield @briancaulfield.bsky.social · 02/04/2026
I spoke to @drivetime.bsky.social earlier about the departure of Sean Sweeney from the MetroLink project www.rte.ie/radio/radio1...
rte.ie
Sean Sweeney steps down as boss of Metrolink
Professor Brian Caulfield, Centre for Transport Research at Trinity College Dublin.
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Reposted by Brian Caulfield
RTÉ Brainstorm @rtebrainstorm.bsky.social · 31/03/2026
How rural areas are the 'front line' in electrifying Irish transport. The rapid shift to electric cars poses challenges for rural Ireland's electricity distribution networks, explain David McCloskey & @briancaulfield.bsky.social @tcddublin.bsky.social @researchireland.ie www.rte.ie/brainstorm/2...
rte.ie
How rural areas are the 'front line' in electrifying transport
The rapid shift to electric cars poses unique challenges for rural Ireland's electricity distribution networks
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Brian Caulfield @briancaulfield.bsky.social · 27/03/2026
📣 I am looking to recruit 3 new researchers for a project called CIRCUT (Causal Inference for Resilient Cities and Urban Integrated Transport) funded by @seai-ie.bsky.social universityvacancies.com/trinity-coll... universityvacancies.com/trinity-coll... universityvacancies.com/trinity-coll...
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Reposted by Brian Caulfield
Brent Toderian @brenttoderian.bsky.social · 24/03/2026
“Fastest, cheapest with lovely sections along the Dodder and Grand Canal that you can't enjoy on a bus or in a car. Bike is best!” Via @news.rte.ie A race between car, bus and e-bike? Now try it again with a dedicated bus-lane so full busses aren’t stuck in all that single-person car traffic.
rte.ie
Bike, car and bus - which gets to centre of capital first
RTÉ News has undertaken a very non-scientific methodology to see how three different modes of transport fared during Dublin's rush-hour.
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Brian Caulfield @briancaulfield.bsky.social · 23/03/2026
Thank you @gerherbert.bsky.social for highlighting our TRACT app here www.tcd.ie/transport-re...
tcd.ie
Join the Green Revolution: Download the TRACT EV App Today! - TRIP - Centre for Transport Research and Innovation for People - Trinity College Dublin
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Brian Caulfield @briancaulfield.bsky.social · 21/03/2026
📣 New research with David McCloskey, Alexander Voss and Abhilash Singh in Sustainable Energy, Grids and Networks. The paper, focusing on rural Ireland, finds that rapid EV adoption poses significant challenges to low-voltage distribution networks. Open Access: doi.org/10.1016/j.se...
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Brian Caulfield @briancaulfield.bsky.social · 21/03/2026
The first year of congestion pricing in New York saw straphangers take more than 90 million additional subway rides than in the previous year www.amny.com/nyc-transit/...
amny.com
Congestion pricing: NYC subways saw millions more riders during Manhattan toll program’s first year, transit group finds | amNewYork
The first year of congestion pricing in New York saw straphangers take more than 90 million additional subway rides than in the previous year, a new report
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Brian Caulfield @briancaulfield.bsky.social · 13/03/2026
Thank you to @codohertynews.bsky.social for covering our @researchireland.ie funded research in this mornings @irishtimes.com www.irishtimes.com/environment/...
irishtimes.com
EVs, solar panels and heat pumps concentrated in affluent areas of Ireland
‘Utterly unfair’ trend could be tackled, say report authors who also note grant system fuels inequalities
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Brian Caulfield @briancaulfield.bsky.social · 12/03/2026
📣 New Research just published. Adoption of EVs, solar PV, and heat pumps in Ireland is driven by affluence. Current grants favour high-income groups, risking a "green divide." Policies must focus on equity and lower upfront costs. Open access: authors.elsevier.com/sd/article/S...
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Reposted by Brian Caulfield
David Zipper @davidzipper.bsky.social · 28/01/2026
New study of e-cargo bikes: "Most participants felt more respected by motorists, more secure, more powerful, and more entitled as road users when e-cargo cycling [compared to traditional biking]." doi.org/10.1080/2380...
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Reposted by Brian Caulfield
Royal Irish Academy @ria.ie · 28/01/2026
Read this article in @irishtimes.com by @briancaulfield.bsky.social Prof in Transportation @tcddublin.bsky.social and member of the RIA's Climate Change and Environmental Sciences committee, which looks at how the aftermath of storm Chandra ‘has shown that our infrastructure is not fit for purpose’.
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Brian Caulfield @briancaulfield.bsky.social · 28/01/2026
📣 Research just published with R. Egan & H. Julienne, funded by @seai-ie.bsky.social. The paper presents an analysis of vehicular cycling in Ireland with the e-cargo bike, focusing on the interview accounts of participants based in four Irish cities Open access www.tandfonline.com/doi/full/10....
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Reposted by Brian Caulfield
Ciara Murphy @ciaralynnmurphy.bsky.social · 27/01/2026
Excellent piece by @briancaulfield.bsky.social We are fair weather and short term thinkers when it comes to our transport system. It’s failing us all.
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Brian Caulfield @briancaulfield.bsky.social · 27/01/2026
A lessons the past 12 months has taught us about our creaking transport networks is that they are extremely vulnerable. The aftermath of Storm Chandra has shown us, again, that in an era of increased extreme weather events, our infrastructure is not fit for purpose www.irishtimes.com/opinion/2026...
irishtimes.com
Brian Caulfield: Storm Chandra commuter chaos is made far worse by a dysfunctional transport system
Aftermath of Storm Chandra has shown once again that in an era of increased extreme weather events, our infrastructure is not fit for purpose
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Brian Caulfield @briancaulfield.bsky.social · 22/01/2026
I joined @newstalkfm.bsky.social Breakfast this morning to discuss the introduction of contactless payments on public transport in Dublin. The city would join the almost 750 cities worldwide that have the same systems www.newstalk.com/news/contact...
newstalk.com
Contactless payments on public transport 'to take a long time' to complete
There had been speculation Dubliners would be waiting until 2029 to get contactless public transport payments.
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Brian Caulfield @briancaulfield.bsky.social · 19/01/2026
A small northern lights show in Dublin 14
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