Thread: North London Line AC/DC question
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Old January 20th 08, 10:36 AM posted to uk.transport.london, uk.railway
Mr Thant Mr Thant is offline
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Default North London Line AC/DC question
On 20 Jan, 10:02, Paul Corfield wrote:
New trains are fitted with current system to allow migration of stock.

My understanding is the two signalling systems will run in parallel,
with the current system instructing the new one what to do. Each train
type will only have one system on board. Once all the old trains are
gone the new system will take over completely.

U

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