alt Hacker NewsYeah some overnight trains can adjust their gauge on the France/Spain border.
On the China/Mongolia border on the other hand they disassemble the train, lift the train cars up one by one (with passengers inside), switch out the boogies and then reassemble. 3 hour process, you can fully sleep through it and not notice.
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lostlogin • today at 6:11 PM
If it’s taking 3 hours on a passenger train, a 5-10 minute transfer seems vastly more efficient.
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For day trains as well, more often within Spain than on the border with France.