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BahnMining - Pünktlichkeit ist eine Zier (David Kriesel)

media.ccc.de2 HN recommenders · recommended in 2 months, 2022–2026
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talk · general · 2022–2026 on HN

David Kriesel's 36C3 talk, in German, analyzes a year of scraped data on every stop of every long-distance train in Germany. It shows how Deutsche Bahn delay statistics hide cancellations and delays.

Recommended in threads on German rail as the data-backed explanation of how reported punctuality understates real delays.

7 comments from Hacker News

@martin_a2023-08 · in “I Walked Across Luxembourg – A Hike from the West to the East of the Grand Duchy”

I think they want to get rid of the trains going to Interlaken directly. At least that's what I read in the SZ [0]. If you haven't seen it, there's the great talk from David Kriesel on the 36C3 [1] about how Deutsche Bahn is... "doing statistics" to hide their delays. It's well worth the hour! [0]: link [1]: ▶ this video

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@luckylion2022-10 · in “German rail operator says train disruption caused by sabotage”

That's why you should hire the PR companies they're using, not the train companies themselves. Partially joking, I think the image stems from the past, but the system degrades when it's not maintained appropriately. There was an entertaining talk at a CCC event a few years back which looked at DB reliability and accuracy (in German): ▶ this video

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@mimischi2026-03 · in “Bet on German Train Delays”

For context, David Kriesel gave the infamous talk called “BahnMining” at 36C3 highlighting this. IIUC it’s only available in German: ▶ this video

@spflueger2025-12 · in “Germany's train service is one of Europe's worst. How did it get so bad?”

Quite some years ago there was some data backed evidence of this I would say. link Here is the link to his talk directly ▶ this video Its true that the network is quite dense and used by also cargo trains, but there is no denying that things got worse and worse. I constantly experience delay to do some stuff not working. I forgot even the minute threshold when a train is still punctual according to DB. I believe it's 10min by now, which can be deadly if you need to switch trains :)

@zwnow2025-10 · in “Digital ID – The New Chains of Capitalist Surveillance”

8 years, wow. Try 30 and actually growing up in this country. School is letting people down, rent prices are exploding. Public transportation is a complete joke ( ▶ this video ) Sorry, but with how rich Germany is I can and should expect more from this country.

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