Boltar wrote:
On Aug 22, 9:42 pm, "John Rowland"
wrote:
Haven't you just answered your own question?

No. If it was a signal failure why couldn't the trains still run?

Because there's only one signalling system. It's the usual LU fixed-block
system; there isn't an independent system for ATO, as you seem to think.
There's a good description of how the Victoria Line works on the Tubeprune
site at
http://www.trainweb.org/tubeprune/Vi...Line%20ATO.htm

--
Richard J.
(to email me, swap 'uk' and 'yon' in address)