How the Switches Work
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Uploader Comments (CNJGeep)
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All Comments (6)
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there are numerous active towers on the New York and Chicago subway/elevated systems, although none have this type of "armstrong" interlocking machine as far as I know...
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There are some interlocking towers yet operational, like Dolton Tower in Illinois. 19th Century technology that still functions! Fantastic job preserving the tower!!
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Oh. It would've been remarkable if it was though.
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CHIEF!
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Can't believe they still run a tower like that. Was this some rail tour?
RCdash9 3 years ago
The tower is no longer operational.
CNJGeep 3 years ago