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Re: Question about signal lights on the 7 and trip arms

Posted by bulk88 on Mon Apr 15 06:02:11 2019, in response to Re: Question about signal lights on the 7 and trip arms, posted by gbs on Sun Apr 14 23:06:36 2019.

If the last AWS track circuit is empty the arm will go up and signal is red. CBTC is basically an automatic key-by. If next train is under 2 track circuits away, it stays flashing green.

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