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Gareth Dennis

@garethdennis.uk
15K followers 3.7K following 3.9K posts

Rail engineer and writer. Hosts @railnatter.uk and @trainsatlantic.uk. HOW THE RAILWAYS WILL FIX THE FUTURE (bit.ly/HowTheRailways) available everywhere. He/him.

PostsRepliesMedia
Reposted by Gareth Dennis
Nilo @nilo.bsky.social · 26/09/2026
Just saw this @garethdennis.uk post on twitter dot com, and think it’s valuable to remember the vastly different contexts that exist today compared to when Donald Heath was put in charge of the ECML electrification project
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Richard @rtruscott.bsky.social · 26/09/2026
Why This Beautiful Main Line Is A Mess - @garethdennis.uk #Railnatter 322 youtu.be/R2SJRtjQidc?... Very convincing in analysing capacity & need across whole line, Newcastle to Edinburgh, for commuter services at either end, & a vision of integrated local busses on Heritage Coast…
youtu.be
Why This Beautiful Main Line Is A Mess | #Railnatter 322
YouTube video by Gareth Dennis
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Steve Chambers @planningtransport.co.uk · 25/09/2026
Well this has been in the works for a long time. Might have happened a decade ago if a clause hadn't been added to the 2017 buses act to preserve the legacy of Thatcher. www.standard.co.uk/news/london/...
standard.co.uk
Sadiq Khan puts London buses back into public ownership for first time in 30 years
Buses for London will first run services on Route 6 between Victoria Station and Willesden and may be rolled out across the capital
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David Turner @railwayhistorian.bsky.social · 25/09/2026
This is @ukri.org effectively abandoning what it means to be part of academia. There, humans read things, critique things, and provide feedback, even if it is not the feedback we want. It is symptomatic of the developing horror that is the UK research funding landscape. It's horrendous.
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Alasdair Mackenzie @alasdairmackenzie.bsky.social · 24/09/2026
The BBC has long given up even pretending to be interested in who these people are, why they are coming or how they might feel, in favour of acting as a kind of shop window for the parties to display their wares of violence and cruelty
bbc.co.uk
Most migrant small boat arrivals in single day of 2026
A total of 781 migrants arrive on Wednesday, but the yearly total is below the same point in 2025.
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Richard Chambers @newschambers.bsky.social · 24/09/2026
The story of Natalie Abudayyeh (21) a journalism student and member of the Palestine Women's Football Team. She played in Dublin against @bfcdublin.bsky.social in 2024. Today, she's in an Israeli jail. Her family and teammates say she was taken at gunpoint from university without charge.
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Gareth Dennis @garethdennis.uk · 24/09/2026
THE BROWN ONE 😍😍😍
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Jon @jontafkasi.bsky.social · 24/09/2026
Careful if you use whatthreewords for important stuff, they could be going under.
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Gareth Dennis @garethdennis.uk · 24/09/2026
listen to @trainsatlantic.uk
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London TravelWatch @ldntravelwatch.bsky.social · 23/09/2026
A new London Overground route is being proposed – the West London Orbital 🟠 🚆 Got thoughts? Have your say through TfL’s open consultation by Wednesday 18 November See the proposals and respond here 🔗 haveyoursay.tfl.gov.uk/west-london-…
An informational map diagram published by Transport for London and the Mayor of London in September 2026, showing the proposed route for the West London Orbital rail service. The route is a vertical line with station markers. From the north, the line starts at Hendon and Brent Cross West, both offering National Rail connections to Luton. It goes south to Neasden (new station, Jubilee line link) and Harlesden (new station, Lioness and Bakerloo line links).It reaches Old Oak Common Lane, a new station with major interchanges to Heathrow Express, HS2, the Central line, and the Elizabeth line. Continuing south, it stops at Acton Central and South Acton (both linking to the Mildmay line), followed by Lionel Road (new station, Kew Bridge link). The southern section goes through National Rail stations at Brentford, Syon Lane, and Isleworth, ending at Hounslow. Official TfL, Overground, and Mayor of London logos sit at the bottom.
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Transport for All @transportforall.org.uk · 24/09/2026
Want to make sure disabled people's freedom to travel is built into the foundations of new services like the West London Orbital? Let Transport for London know what makes train travel accessible for you by 18 November.
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Gareth Dennis @garethdennis.uk · 24/09/2026
Belgrade tram colour diversity 1, Šapić 0 (he can close our tram lines but he'll never take our red KT4s from us, also listen to @nogodsnomayors.com)
a modern looking deep blue tram with black window surrounds, it's a Turkish built 2021 Model Bozankayathe classic Tatra KT4, a boxy looking tram with pure red body and navy blue underframea curvy, very classic looking and narrow tram in full pale green with a white stripe at mid height, this is one of Belgrade's borrowed Duewag GT6s from Basel, built between 1967 and 1972... this one has its own wee pal bringing up the rear, yes it's a tram carriage to give three cars in totalit's another Basel three car GT6, this time in yellow with a big red stripe along the mid height
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CarolC @carolconnolly.bsky.social · 24/09/2026
MARTIN: We can't do everything for everyone. MAMDANI: Skill issue. #spéirghorm
A photo of Mayor Mamdani leaning in to speak at a microphone as Taoiseach Martin stands behind him.
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November Kelly @postoctobrist.bsky.social · 23/09/2026
Doesn’t get much better as a short summary than ‘property developer Louis XIV’
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Gareth Dennis @garethdennis.uk · 23/09/2026
"AI buildout is inflationary with an unknown return for the companies who are investing trillions into compute." This junks any argument that neoliberals limit public investment to limit inflation. They'll throw the economy on the pyre when their wizards tell them to.
a tweet, second in a thread, by Jurrien Timmer, director of global macro at Fidelity investments, reading: "Yes, AI will change our lives (for the better I trust) and down the road it may well unleash a productivity miracle that raises the economy’s non-inflationary speed limit enough to keep the world’s mounting debt burden sustainable. But until then the buildout is inflationary with an unknown return for the companies who are investing trillions into compute. The demand for capital (equity and debt) from corporates is rising at a $3.3 trillion clip. 🧵(2/2)" and annotated with a graph making the point very clearly
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Amberger @naughtynocturn.bsky.social · 20/09/2026
Democracy is when people ignore marginalized groups having their rights ripped from them and instead do whatever the fuck this is to defend a building
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victoria scott @victoriascott.bsky.social · 21/09/2026
extremely funny that a bunch of Ukrainian 19-to-24-year-olds hanging out with VR goggles on in the Tactical Gamer Cave has now managed to get two of the most viscous empires on Earth to beg them to stop
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Gareth Dennis @garethdennis.uk · 21/09/2026
Welcome to @trainsatlantic.uk.
it's an old DB V200 in a series of trees, in fact it's three of those with the blue paint peeling away and looking sad
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Zack Polanski @zackpolanski.bsky.social · 20/09/2026
Great to have some first time volunteers out today.... linktr.ee/HSP_6thGreenMP
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Brynley Heaven @brynleyheaven.bsky.social · 18/09/2026
Super polemic combining physics and accountancy, really zings
youtu.be
Are We Headed For Another Railtrack Crisis? | #Railnatter 321
YouTube video by Gareth Dennis
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Transport for All @transportforall.org.uk · 18/09/2026
If you've not tuned in to @garethdennis.uk's excellent Railnatter on level boarding, it's a tale as old as the railways. www.youtube.com/watch?v=TWFC...
youtube.com
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AngelBunny2204 🏳️‍⚧️ @angelbunny.tgirl.gay · 11/08/2026
Very interesting podcast about an important trans women and her impact on mini trains www.youtube.com/watch?v=BdZV...
youtube.com
The trans woman who gave us miniature trains | #Railnatter 293
YouTube video by Gareth Dennis
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michael wacha flame @flag-division.com · 20/09/2026
ADCX beer train at colorado railroad museum @donoteat.bsky.social @garethdennis.uk
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Gareth Dennis @garethdennis.uk · 20/09/2026
Just look at this little guy. LOOK AT HIM.
it's a tiny little red tramway snowplough locomotive thingy, looking a bit faded with the recent pre-Šapić Beograd transport logo on it, sat on rough looking tracks next to a run down warehouse, with several orange trolleybuses behind it
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Ewan Gibbs @ewangibbs.bsky.social · 19/09/2026
The BBC’s Ratcliffe interview is shocking. He’s allowed to spout unchallenged nonsense about politics, economics and energy. Ratcliffe is worth listening to because he represents an emboldened and retrograde section of Britain’s ruling class 🧵 www.bbc.co.uk/news/article...
bbc.co.uk
Billionaire Manchester United owner Sir Jim Ratcliffe says he has lost confidence in UK
Ineos founder Sir Jim Ratcliffe tells the BBC he thinks the country is "on the slide" and calls for more investment in the North Sea.
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Emily M. Bender @emilymbender.bsky.social · 19/09/2026
I would like to thank @phdhurtbrain.bsky.social and @danieldrucker.bsky.social for this incredibly concise encapsulation of how "superintelligence" discourse diverts energy and attention from the real, actual harms: >>
Screencap of a skeet & a reply. Wilson-Bates posted a copy of the Scooby doo ghost unmasking meme, with the masked ghost tagged “AI Panic” and the unmasked villain tagged “labor discipline”.

Drucker replied "Is it your view that superintelligent AI is impossible, or unlikely based on current tech, or not extremely risky?"
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Dr. Sarah Parcak @indyfromspace.bsky.social · 19/09/2026
He is, in addition to having been close buddies w Epstein, a raving rancid POS. At TED (when he spoke) years ago a very jr (female) scholar in a related field brought up serious issues with his talk/work, which others backed up, and he verbally attacked her+ smeared her behind her back.
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flyingrodent @flyingrodent.bsky.social · 19/09/2026
To put this in perspective: the infamous Soviet crackdowns on Hungary and Czechoslovakia killed fewer than four thousand people, and various left wing people who stood by the Soviets for doing it were regarded as despicable pieces of shit. This is worse than that, on a barely comprehensible scale.
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flyingrodent @flyingrodent.bsky.social · 19/09/2026
You’d think that Tom Watson taking a promotion to Palantir’s top media bullshit and left-stomping officer might raise questions about exactly what has been happening here
theguardian.com
Mandelson’s links with US tech firm Palantir must be fully exposed, campaigners warn
Government faces call for transparency on former peer’s involvement amid fears he may have leaked more sensitive information
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Katie Fenn @katiefenn.bsky.social · 18/09/2026
The easiest way to sucker a UK government minister is with "save billions using this one weird trick" technologies. They usually cost more in the long run. It happens all the time, from trains, to aircraft carriers, smart motorways, NHS computer systems, personal protective equipment...
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mel, binface’s knight 🏳️‍⚧️🔰♨️ @astruckpersonn.bsky.social · 18/09/2026
british in 1987: “we are going to dig a tunnel thru an uneven layer of chalk under the channel and electrify it” british in 2026: “building electrical poles on uneven ground is scawwy”
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Gareth Dennis @garethdennis.uk · 18/09/2026
The DfT just posted this self-congratulatory propaganda on Facebook. This is horseshit. Battery trains have a very minor role to play as a transition technology, but in the foothills of a seismic energy crisis, swapping one form of energy dependency for another is crap politics and worse planning.
a big photographic poster style picture with the text "Electric or battery electric trains? Battery is better. Here's why." Electric trains are powered by overhead lines or a third rail. Compared to diesel, electric trains are:
1. faster - they accelerate and decelerate quicker 
2. quieter - there are no motors, reducing vibrations
3. lighter - increasing capacity, reducing stress on rails
4. emission free - helping us reduce our reliance on dieselBattery-electric trains use the
Overhead lines or a third rail to also charge a battery. They:
Use existing power lines - reducing the need for new infrastructure and allowing investment elsewhere
Avoid complex upgrades - like building new infrastructure on uneven land, which is costly and takes longer
Avoid disruptions to services - caused by infrastructure upgrades & repairsBattery-electric trains can be charged at train stations and on electrified lines.
Trains then run on non-electrified portions of the network.
This technology can help spread the benefits of electric trains to more communities, much sooner.
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Transport for All @transportforall.org.uk · 17/09/2026
It's great to hear the new trains on TransPennine Express will deliver independent boarding for more passengers. We need step-free access to the platform and level boarding everywhere so disabled passengers can travel with ease and confidence, instead of having to wait for Passenger Assistance.
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#Railnatter podcast @railnatter.uk · 17/09/2026
"I'm a track team leader for NR, there's so much I could say, that I've wanted to say for a long time but cannot for obvious reasons... It seems to me that we have learnt absolutely nothing. Lives seem cheap and people have short memories." Catch last night's #Railnatter now.
the thumbnail from last night's railnatter with a stern looking Gareth in front of a derailed train in his oranges, with the text "this was a choice"
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victoria scott @victoriascott.bsky.social · 17/09/2026
This isn’t funny. Commodities traders only do this when they’re in extreme distress
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Unfitforpurpose @unfitforpurpose.net · 17/09/2026
Really good vid by @garethdennis.uk about the recent derailments of trains in the UK, the infrastructure decisions behind them and how we're repeating old mistakes. youtu.be/L3YIjuvXsdk?...
youtu.be
Are We Headed For Another Railtrack Crisis? | #Railnatter 321
YouTube video by Gareth Dennis
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Aaron Rupar @atrupar.com · 17/09/2026
Trump looks at a placard that reads "Kennedy Center DEMOLITION" as he lands at Joint Base Andrews tonight (Brendan Smialowski/AFP via Getty)
pic of Trump through the plane window looking at a placardzoom in on placard where text is visible
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#Railnatter podcast @railnatter.uk · 16/09/2026
Tonight on #Railnatter, we look at Britain’s failing railway infrastructure, following the Lewes and Wickford derailments, both caused by track buckles. Why has our railway been left to deteriorate this far? What happens when we stop renewing it? And why is Hendy involved again?
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Gareth Dennis @garethdennis.uk · 16/09/2026
SPICY EPISODE TONIGHT youtube.com/shorts/SQpmF...
youtube.com
Lewes and Wickford: we know who is responsible #railnatter
YouTube video by Gareth Dennis
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donoteat @donoteat.bsky.social · 16/09/2026
DEGROWTH DON DOES IT AGAIN
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Toby Buckle @polphilpod.bsky.social · 14/09/2026
something that really came out of this discussion: labour's anti-trans lurch was so shocking & horrific that it's costing the *democrats* votes
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Zack Polanski @zackpolanski.bsky.social · 16/09/2026
The clock is ticking. We have to act now. Vote Green on October 8th. 💚
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Darren Buck @bikepedantic.bsky.social · 16/09/2026
Just to get it out of the way, before the discourse starts dunking on ‘urbanists’: No one wants regular Americans — who have no transportation choices — to go broke because of trump’s war of choice. There are carrots and sticks, but this is going to genuinely hurt vulnerable people.
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Fietser Brandon @americanfietser.bsky.social · 16/09/2026
*chokes on own saliva 😂 Ah yes, in a country that designed by force, car dependency into its entire built landscape, making car ownership and driving the first basic requirement to participate in society.
businessinsider.com
The trick to lowering gas prices is driving less, US energy secretary says
AAA said Labor Day travelers can expect the highest gas prices ever for this time of year. The national average for regular gas was $4.14 on Sunday.
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LukeBMTB @lukebmtb.bsky.social · 16/09/2026
"The data centre would be located near existing gas-fired power stations." "and will draw as much power as about 1.5 million average Australian households" Nothing to see here, move along.
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Leo Murray @crisortunity.bsky.social · 16/09/2026
One flaw with this idea is that airlines are only profitable due to their highly prejudicial tax treatment: aviation fuel is untaxed, and flights would be wildly more expensive if it were taxed like other liquid hydrocarbon fuels. There are many plausible futures in which airlines end up broke
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Paul Hebden @paulhebden.bsky.social · 16/09/2026
Here we go www.bbc.co.uk/news/live/cq...
bbc.co.uk
Petrol and diesel price rises push UK inflation rate up to 3.1%
Inflation has moved further away from the Bank of England's 2% target as the Middle East conflict continues to disrupt global oil supplies.
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Lucifer Vi’Matri @clumsyslothgirl.bsky.social · 16/09/2026
The trans experience is infuriating. We correctly predicted everything that MAGA has pulled on us ten years in advance and cis people called us hysterical. We were proven right again and again as cis people did nothing to help us and laughed our concerns off.
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victoria scott @victoriascott.bsky.social · 15/09/2026
I have been thinking about this project since Cara told me about it, because the vision was so strong, but seeing the end result is genuinely astonishing. I haven’t been able to get these images out of my head since she launched this. You gotta check it out (on desktop, have some space to see!!)
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Pie Thagoram @piethagoram.bsky.social · 15/09/2026
www.bbc.co.uk/news/article... Will Thames Water be recharged all direct, indirect and consequential costs @networkrail.bsky.social @heidialexander.bsky.social @premnsikka.bsky.social ?
bbc.co.uk
Flooded Hertford rail line to close for nine days for repair
The Hertford East branch line will see 1km (0.6 miles) of track replaced after severe flooding.
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