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← Cut and cover is still often the cheapest way to build a subway and…

14 connected korrents · 13 moments on record from 20 Dec 2018 to 7 Sept 2026.

Everything filed under America America Everything filed under China China Everything filed under Europe Europe Everything filed under tariffs tariffs Same subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame 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 cheapestway to build a subway and rich countrieshave abandoned it anyway, because thedisruption 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 overelevated railways knowing they costtwo to four times as much, becausenobody 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 transportdemonstration projects is that theyconfuse decision-makers aboutwhether mass transit still needsbuilding. Last stated 8 years ago 20 Dec 2018 JW Jarrett Walker — holds since 2018-12-20 — 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 buildsubways ten times cheaper while onlyever 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 toreach the frontier of what buildingalready costs elsewhere; nobodyknows how to push that frontierforward. Last stated 9 months ago 11 Dec 2025 BP Brian Potter — holds since 2025-12-11 — 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 analysessystematically understate what a newmetro line is worth, because most ofthe driving it displaces happenselsewhere 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: 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 ownindustrial strategy and call thesame policy cheating when China doesit. Last stated a year ago 15 May 2025 HR Hannah Ritchie — holds since 2025-05-15 — tap for who they are Same subject: A few square miles at the Moon's south pole are the only lunar real estate that matters, and whoever gets there first sets the terms. — tap to centre the map on it A few square miles at the Moon'ssouth pole are the only lunar realestate that matters, and whoevergets there first sets the terms. Last stated 3 weeks ago 18 Aug 2026 EB Eric Berger — holds since 2026-08-18 — tap for who they are Same subject: A nation of a million people cannot rule hundreds of millions by warfare; the Mongol Empire lasted because it offered its subjects things they actually wanted. — tap to centre the map on it A nation of a million people cannotrule hundreds of millions bywarfare; the Mongol Empire lastedbecause it offered its subjectsthings they actually wanted. Last stated a year ago 31 Jul 2025 JW Jack Weatherford — holds since 2025-07-31 — tap for who they are Same subject: Cutting off trade with tariffs would force a huge interest-rate spike and probably a debt crisis, because the budget deficit would have to be financed at home. — tap to centre the map on it Cutting off trade with tariffs wouldforce a huge interest-rate spike andprobably a debt crisis, because thebudget deficit would have to befinanced at home. Last stated a year ago 14 Apr 2025 JC John H. Cochrane — holds since 2025-04-14 — tap for who they are Same subject: Reducing trade deficits and reviving manufacturing would not end the resentment fueling right-wing authoritarian movements. — tap to centre the map on it Reducing trade deficits and revivingmanufacturing would not end theresentment fueling right-wingauthoritarian movements. Last stated today 7 Sept 2026 PK Paul Krugman — holds since 2026-09-07 — tap for who they are Same subject: Tariffs on Chinese clean energy reduce the total number of clean-energy jobs, because most of those jobs are in deployment rather than manufacturing. — tap to centre the map on it Tariffs on Chinese clean energyreduce the total number ofclean-energy jobs, because most ofthose jobs are in deployment ratherthan manufacturing. Last stated a year ago 15 May 2025 HR Hannah Ritchie — holds since 2025-05-15 — 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 theedge of the Overton window has tohold two cultures at once — the truebelievers and the seriousprofessionals who think they arecrazy — and integrating them is whatmakes 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 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 poweris being drawn right now, and Europehas to fight for its place in it. Last stated 12 months ago 10 Sept 2025 UL Ursula von der Leyen — holds since 2025-09-10 — tap for who they are Same subject: A tiny fraction of ancestry can carry the most important thing about a population: Yamnaya is only a few percent of DNA in India and yet it brought the language. — tap to centre the map on it A tiny fraction of ancestry cancarry the most important thing abouta population: Yamnaya is only a fewpercent of DNA in India and yet itbrought the language. Last stated 4 months ago 8 May 2026 DR David Reich — holds since 2026-05-08 — tap for who they are
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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. Last stated 28 May 2025 · a year ago Holds Brian Potter Read this korrent →