> You don’t need a warning for opening the doors. Seems like the Swiss railway d... | Hacker News

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		chrisandchris 10 months ago \| parent \| context \| favorite \| on: Show HN: NYC Subway Simulator and Route Designer > You don’t need a warning for opening the doors. Seems like the Swiss railway didn't get your message because there is acoustic warning on open nd on close.

op00to 10 months ago [–]

There are door opening warning in the Philadelphia subways and metros (PATCO) as well. It makes sense if the train is crowded and a rider is smushed up against the opening door.

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