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A comment on Exploring the Elizabeth line, one of the world’s largest construction projects. Parent comment

Re:Exploring the Elizabeth line, one of the world’s largest ... by 0xffff2 on Tuesday May 10, 2016 @01:32PM (#11668954)
If the conductor sits around twiddling his thumbs all day long, what is the point of him existing in the first place? For a fully automated train system, what useful function does the conductor serve?
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