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CatchMeWritinQWERTY t1_itzudfd wrote

Reply to comment by sailbag36 in How does the Broad Street Line turn around at NRG? by starboardbaby

Follow up question: If the back is now the front, then right is now left. How do they know which way to turn?

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buzz8588 t1_iu0c3hn wrote

Trains don’t have steering wheels for turning. There are people at a central hub changing track switches to move trains from one track to another. They don’t call it left or right, they probably use more meaningful terms like northbound/southbound track.

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Simon_the_Cannibal t1_iu10u78 wrote

Ah, so its the central hub people that tell the Frankford-bound El drivers to take a left go northbound instead of going straight to New Jersey. Never knew!

edit: I'm catching on!

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