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New York MTA Launches Historic $1.9B Signal, Track Modernization Project (www.metro-magazine.com)
submitted 2 weeks ago by to c/newyork@lemmy.ml
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“Upgrading nearly 100-year-old signals does more than just modernize infrastructure that is long overdue — it is a critical part of our plan to run better and more frequent subway service, shortening waits and slashing delays,” said New York Governor Kathy Hochul.

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[–] 1 point 2 weeks ago (1 child)

I wonder if they're getting rid of the relay logic

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  • [–] [S] 1 point 1 week ago

    Maybe? When I skimmed through it sounded like they were switching from a (100 yr old) system where the track is broken up into sections and when a train enters a section, no other train may enter. So you only know a train is inside a section, not where in that section or when it might be exiting it.

    The new system monitors each trains location and speed constantly (allowing to run trains closer together)

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