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A comment on Polish railway system hacked, trains forced to stop by attackers. Parent comment

Re:Polish railway system hacked, trains forced to stop by at... by mschuster91 on Monday August 28, 2023 @05:41AM (#37291746)
In Germany, in addition there is yet another emergency signal - if you need a train to stop (say, because someone fell into the tracks) and you can see the train (so no time to call 112), wave your hand in a circular motion [1].

[1] http://www.tf-ausbildung.de/SignalbuchOnline/sh3.htm

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Re:Polish railway system hacked, trains forced to stop by at... by throw_a_grenade on Monday August 28, 2023 @11:13AM (#37295382)
Same in Poland, though here you can also use white lantern, if you don't have red one.
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