Thread: Blue numbers in tunnels leaving Tube stations
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Old February 15th 08, 05:33 AM posted to uk.transport.london
James Farrar James Farrar is offline
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Default Blue numbers in tunnels leaving Tube stations
On Thu, 14 Feb 2008 21:43:59 -0800 (PST), Offramp
wrote:

On the Underground, leaving a station, there are white numbers on sky-
blue boards. What do they mean?

The number of carriages that are out of the station. They enable the
driver to judge if he is still in the station should the passenger
alarm be activated.
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