Thread: Automatic tubes?
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Old July 30th 05, 09:32 PM posted to uk.transport.london
[email protected] thomas_crame@yahoo.co.uk is offline
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First recorded activity at LondonBanter: May 2005
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Default Automatic tubes?
14 codes on the Central as opposed to four on the Victoria for a start.
The track circuits which carry the codes are also of a different type,
but the principles are fairly similar.

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