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← Cut and cover is still often the cheapest way to build a subway and…
17 connected korrents · 17 moments from 15 Jul 2013 to 9 Sept 2026.
Everything filed under infrastructure
infrastructure
Everything filed under America
America
Everything filed under coding agents
coding agents
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energy
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Linux
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China
Everything filed under the cloud
the cloud Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: Cut and cover is still often the cheapest way to build a subway and rich countries have abandoned it anyway, because the disruption is no longer tolerated. Cut and cover is still often the cheapest way to build a subway and rich countries have abandoned it anyway, because the disruption is no longer tolerated. Last stated a year ago
28 May 2025
BP
Brian Potter — holds since 2025-05-28 — tap for who they are
Same subject: American cities chose subways over elevated railways knowing they cost two to four times as much, because nobody would live under an el. — tap to centre the map on it American cities chose subways over elevated railways knowing they cost two to four times as much, because nobody would live under an el. Last stated a year ago
28 May 2025
BP
Brian Potter — holds since 2025-05-28 — tap for who they are
Same subject: The real cost of transport demonstration projects is that they confuse decision-makers about whether mass transit still needs building. — tap to centre the map on it The real cost of transport demonstration projects is that they confuse decision-makers about whether mass transit still needs building. Last stated 8 years ago
20 Dec 2018
JW
Jarrett Walker — holds since 2018-12-20 — tap for who they are
Same subject: A steady pipeline of transit projects does not by itself prevent costly systems-engineering mistakes, as shown by London's Crossrail. — tap to centre the map on it A steady pipeline of transit projects does not by itself prevent costly systems-engineering mistakes, as shown by London's Crossrail. Last stated 4 months ago
29 Jun 2026
AL
Alon Levy — holds since 2026-06-29 — tap for who they are
Same subject: You cannot make America build subways ten times cheaper while only ever talking to Americans. — tap to centre the map on it You cannot make America build subways ten times cheaper while only ever talking to Americans. Last stated 3 years ago
5 Aug 2023
AL
Alon Levy — holds since 2023-08-05 — tap for who they are
Same subject: America can copy other countries to reach the frontier of what building already costs elsewhere; nobody knows how to push that frontier forward. — tap to centre the map on it America can copy other countries to reach the frontier of what building already costs elsewhere; nobody knows how to push that frontier forward. Last stated 10 months ago
11 Dec 2025
BP
Brian Potter — holds since 2025-12-11 — tap for who they are
Same subject: China's high-speed rail costs, once adjusted for the amount of tunneling, are not especially low compared to France's. — tap to centre the map on it China's high-speed rail costs, once adjusted for the amount of tunneling, are not especially low compared to France's. Last stated 4 months ago
29 Jun 2026
AL
Alon Levy — holds since 2026-06-29 — tap for who they are
Same subject: The cost of major tunnel projects should not be attributed to the cost of surface electrification when benchmarking rail costs. — tap to centre the map on it The cost of major tunnel projects should not be attributed to the cost of surface electrification when benchmarking rail costs. Last stated 3 months ago
7 Aug 2026
AL
Alon Levy — holds since 2026-08-07 — tap for who they are
Same subject: Environmental cost-benefit analyses systematically understate what a new metro line is worth, because most of the driving it displaces happens elsewhere on the network. — tap to centre the map on it Environmental cost-benefit analyses systematically understate what a new metro line is worth, because most of the driving it displaces happens elsewhere on the network. Last stated 7 months ago
10 Mar 2026
AL
Alon Levy — holds since 2026-03-10 — tap for who they are
Same subject: "Carbon intensity" metrics let oil companies claim climate progress even as their total emissions rise from increased production. — tap to centre the map on it "Carbon intensity" metrics let oil companies claim climate progress even as their total emissions rise from increased production. Last stated a month ago
9 Sept 2026
EA
Emily Atkin — holds since 2026-09-09 — tap for who they are
Same subject: A country outside the AI supply chain should just buy the index — which works only in the world where AI ends up commoditised rather than concentrated. — tap to centre the map on it A country outside the AI supply chain should just buy the index — which works only in the world where AI ends up commoditised rather than concentrated. Last stated 5 months ago
4 Jun 2026
AI
Alex Imas — holds since 2026-06-04 — tap for who they are
Same subject: A data centre should be split into independent power blocks fed directly at 1500 volts DC, rather than run through one central distribution system. — tap to centre the map on it A data centre should be split into independent power blocks fed directly at 1500 volts DC, rather than run through one central distribution system. Last stated 3 years ago
18 Apr 2024
AV
Austin Vernon — holds since 2024-04-18 — tap for who they are
Same subject: A big switch to desktop Linux is coming, at least among developers, because there is enough dissatisfaction with both Apple and Microsoft. — tap to centre the map on it A big switch to desktop Linux is coming, at least among developers, because there is enough dissatisfaction with both Apple and Microsoft. Last stated a year ago
26 Jun 2025
DH
David Heinemeier Hansson — holds since 2025-06-26 — tap for who they are
Same subject: Being blunt to the point of abuse on the kernel mailing list is who I am and the right way to run the project. — tap to centre the map on it Being blunt to the point of abuse on the kernel mailing list is who I am and the right way to run the project. Last stated 8 years ago
16 Sept 2018
LT
Linus Torvalds — holds since 2013-07-15 — tap for who they are
LT
Linus Torvalds — no longer holds since 2018-09-16 — tap for who they are
Same subject: Coding agents make doing things on Linux far more approachable. — tap to centre the map on it Coding agents make doing things on Linux far more approachable. Last stated 5 months ago
8 Jun 2026
BV
Ben Vinegar — holds since 2026-06-08 — tap for who they are
Same subject: After the cloud exit, the next step is out of the data centre: home servers and multi-gigabit home connections make the garage startup literal again. — tap to centre the map on it After the cloud exit, the next step is out of the data centre: home servers and multi-gigabit home connections make the garage startup literal again. Last stated a year ago
12 Jul 2025
DH
David Heinemeier Hansson — holds since 2025-07-12 — tap for who they are
Same subject: Agents working locally can be far more powerful than any private walled garden that exists out there in the cloud. — tap to centre the map on it Agents working locally can be far more powerful than any private walled garden that exists out there in the cloud. Last stated 4 months ago
30 Jun 2026
MT
Meng To — holds since 2026-06-30 — tap for who they are
Same subject: AI agents and AI coding will run on servers and from the cloud first, not on your laptop. — tap to centre the map on it AI agents and AI coding will run on servers and from the cloud first, not on your laptop. Last stated 4 months ago
28 Jun 2026
PL
Pieter Levels — holds since 2026-06-28 — tap for who they are
At the centre
Cut and cover is still often the cheapest way to build a subway and rich countries have abandoned it anyway, because the disruption is no longer tolerated.
Holds Read this korrent →
American cities chose subways over elevated railways knowing they cost two to four times as much, because nobody would live under an el.
Holds
The real cost of transport demonstration projects is that they confuse decision-makers about whether mass transit still needs building.
Holds
A steady pipeline of transit projects does not by itself prevent costly systems-engineering mistakes, as shown by London's Crossrail.
Holds
You cannot make America build subways ten times cheaper while only ever talking to Americans.
Holds
America can copy other countries to reach the frontier of what building already costs elsewhere; nobody knows how to push that frontier forward.
Holds
China's high-speed rail costs, once adjusted for the amount of tunneling, are not especially low compared to France's.
Holds
The cost of major tunnel projects should not be attributed to the cost of surface electrification when benchmarking rail costs.
Holds
Environmental cost-benefit analyses systematically understate what a new metro line is worth, because most of the driving it displaces happens elsewhere on the network.
Holds
"Carbon intensity" metrics let oil companies claim climate progress even as their total emissions rise from increased production.
Holds
A country outside the AI supply chain should just buy the index — which works only in the world where AI ends up commoditised rather than concentrated.
Holds
A data centre should be split into independent power blocks fed directly at 1500 volts DC, rather than run through one central distribution system.
Holds
A big switch to desktop Linux is coming, at least among developers, because there is enough dissatisfaction with both Apple and Microsoft.
Holds
Being blunt to the point of abuse on the kernel mailing list is who I am and the right way to run the project.
No longer holds
Coding agents make doing things on Linux far more approachable.
Holds
After the cloud exit, the next step is out of the data centre: home servers and multi-gigabit home connections make the garage startup literal again.
Holds
Agents working locally can be far more powerful than any private walled garden that exists out there in the cloud.
Holds
AI agents and AI coding will run on servers and from the cloud first, not on your laptop.
Holds