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17 connected korrents · 16 moments on record from 20 Dec 2018 to 4 Sept 2026.
Everything filed under America
America
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infrastructure
Everything filed under China
China
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Europe 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: The cost of major tunnel projects should not be attributed to the cost of surface electrification when benchmarking rail costs. The cost of major tunnel projects should not be attributed to the cost of surface electrification when benchmarking rail costs. Last stated a month ago
7 Aug 2026
AL
Alon Levy — holds since 2026-08-07 — 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 3 months ago
29 Jun 2026
AL
Alon Levy — holds since 2026-06-29 — 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 3 months ago
29 Jun 2026
AL
Alon Levy — holds since 2026-06-29 — tap for who they are
Same subject: Rapid electrification programs without continuous rolling pipelines can still be built cost-effectively, as in Denmark, Israel and India. — tap to centre the map on it Rapid electrification programs without continuous rolling pipelines can still be built cost-effectively, as in Denmark, Israel and India. Last stated 3 months ago
29 Jun 2026
AL
Alon Levy — holds since 2026-06-29 — 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: High infrastructure costs are not Baumol's cost disease: what a country pays per kilometre of subway barely tracks how rich it is. — tap to centre the map on it High infrastructure costs are not Baumol's cost disease: what a country pays per kilometre of subway barely tracks how rich it is. Last stated 2 years ago
22 Jun 2024
AL
Alon Levy — holds since 2024-06-22 — tap for who they are
Same subject: Building out low-speed regional rail to small towns before intercity rail is fast enough is a waste of money. — tap to centre the map on it Building out low-speed regional rail to small towns before intercity rail is fast enough is a waste of money. Last stated 2 months ago
7 Jul 2026
AL
Alon Levy — holds since 2026-07-07 — 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 6 months ago
10 Mar 2026
AL
Alon Levy — holds since 2026-03-10 — tap for who they are
Same subject: The comparative cost of hydrogen fuel-cell cars versus battery EVs depends on which infrastructure costs are counted and to whom they are allocated — tap to centre the map on it The comparative cost of hydrogen fuel-cell cars versus battery EVs depends on which infrastructure costs are counted and to whom they are allocated Last stated 2 years ago
17 Oct 2024
ML
Michael Liebreich — holds since 2024-10-17 — tap for who they are
Same subject: A Chinese crewed landing on the Moon before America returns would be a defeat for the free world. — tap to centre the map on it A Chinese crewed landing on the Moon before America returns would be a defeat for the free world. Last stated a month ago
18 Aug 2026
CH
Casey Handmer — holds since 2025-10-31 — tap for who they are
EB
Eric Berger — holds since 2026-08-18 — tap for who they are
Same subject: A continental army's first mission is to keep the regime in power, not to defend the border — which is what the People's Liberation Army is for. — tap to centre the map on it A continental army's first mission is to keep the regime in power, not to defend the border — which is what the People's Liberation Army is for. Last stated 3 months ago
9 Jun 2026
SP
Sarah Paine — holds since 2026-06-09 — tap for who they are
Same subject: A country cannot fund its own industrial strategy and call the same policy cheating when China does it. — tap to centre the map on it A country cannot fund its own industrial strategy and call the same policy cheating when China does it. Last stated a year ago
15 May 2025
HR
Hannah Ritchie — holds since 2025-05-15 — tap for who they are
Same subject: A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely. — tap to centre the map on it A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely. Last stated 4 weeks ago
22 Aug 2026
JP
Jennifer Pahlka — holds since 2026-08-22 — tap for who they are
Same subject: A conspiracy theory can be used as a pretext to dismantle government programs and target researchers and citizens. — tap to centre the map on it A conspiracy theory can be used as a pretext to dismantle government programs and target researchers and citizens. Last stated 2 weeks ago
4 Sept 2026
AA
Anne Applebaum — holds since 2026-09-04 — tap for who they are
Same subject: A country cannot have radical technological breakthroughs and also refuse to tolerate uncomfortably rich people, because the financial system it resents is what funds the innovation. — tap to centre the map on it A country cannot have radical technological breakthroughs and also refuse to tolerate uncomfortably rich people, because the financial system it resents is what funds the innovation. Last stated a year ago
13 Aug 2025
KJ
Keyu Jin — holds since 2025-08-13 — tap for who they are
Same subject: A company doing something at the edge of the Overton window has to hold two cultures at once — the true believers and the serious professionals who think they are crazy — and integrating them is what makes it work. — tap to centre the map on it A company doing something at the edge of the Overton window has to hold two cultures at once — the true believers and the serious professionals who think they are crazy — and integrating them is what makes it work. Last stated a month ago
7 Aug 2026
MH
Max Hodak — holds since 2026-08-07 — tap for who they are
Same subject: A heavily centralised state is the most fragile kind: when Rome’s centre failed, its successors were left without the resources or administration to do what it had done. — tap to centre the map on it A heavily centralised state is the most fragile kind: when Rome’s centre failed, its successors were left without the resources or administration to do what it had done. Last stated 5 years ago
28 Jan 2022
BD
Bret Devereaux — holds since 2022-01-28 — tap for who they are
Same subject: A new world order based on raw power is being drawn right now, and Europe has to fight for its place in it. — tap to centre the map on it A new world order based on raw power is being drawn right now, and Europe has to fight for its place in it. Last stated a year ago
10 Sept 2025
UL
Ursula von der Leyen — holds since 2025-09-10 — tap for who they are
At the centre
The cost of major tunnel projects should not be attributed to the cost of surface electrification when benchmarking rail costs.
Holds Read this korrent →
A steady pipeline of transit projects does not by itself prevent costly systems-engineering mistakes, as shown by London's Crossrail.
Holds
China's high-speed rail costs, once adjusted for the amount of tunneling, are not especially low compared to France's.
Holds
Rapid electrification programs without continuous rolling pipelines can still be built cost-effectively, as in Denmark, Israel and India.
Holds
The real cost of transport demonstration projects is that they confuse decision-makers about whether mass transit still needs building.
Holds
High infrastructure costs are not Baumol's cost disease: what a country pays per kilometre of subway barely tracks how rich it is.
Holds
Building out low-speed regional rail to small towns before intercity rail is fast enough is a waste of money.
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
The comparative cost of hydrogen fuel-cell cars versus battery EVs depends on which infrastructure costs are counted and to whom they are allocated
Holds
A Chinese crewed landing on the Moon before America returns would be a defeat for the free world.
Holds
A continental army's first mission is to keep the regime in power, not to defend the border — which is what the People's Liberation Army is for.
Holds
A country cannot fund its own industrial strategy and call the same policy cheating when China does it.
Holds
A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely.
Holds
A conspiracy theory can be used as a pretext to dismantle government programs and target researchers and citizens.
Holds
A country cannot have radical technological breakthroughs and also refuse to tolerate uncomfortably rich people, because the financial system it resents is what funds the innovation.
Holds
A company doing something at the edge of the Overton window has to hold two cultures at once — the true believers and the serious professionals who think they are crazy — and integrating them is what makes it work.
Holds
A heavily centralised state is the most fragile kind: when Rome’s centre failed, its successors were left without the resources or administration to do what it had done.
Holds
A new world order based on raw power is being drawn right now, and Europe has to fight for its place in it.
Holds