Re: Question about signal lights on the 7 and trip arms (1509971) | |||
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Re: Question about signal lights on the 7 and trip arms |
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Posted by Allan on Sun Apr 14 16:23:34 2019, in response to Question about signal lights on the 7 and trip arms, posted by JRR4 on Sun Apr 14 15:22:52 2019. Blinking green lights indicate that CBTC is active in that area.As for the stop arms I would assume that signal relays in some fashion are still in use. |