Thread: Circle Line train amber lights
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Old March 31st 05, 01:12 PM posted to uk.transport.london
Boltar Boltar is offline
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Default Circle Line train amber lights
keys. The hissing noise would be the air venting to atmosphere when
the train is shut down, therefore locking the brakes on, and when the

If this locks the brakes on how are trains towed dead if they fail?

B2003

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