Tube Trains Sent On Collision Course
In message , Steve Fitzgerald
] wrote:
Does 'stop signal' mean 'signal capable of telling a train to stop',
ie anything that can go red, as opposed to route indicators etc?
Basically yes. Of course a route indicator will always have a stop
signal with it
Not so.
On LU, if a signal with a route indicator has a repeater in rear, the
repeater has a route indicator as well. This even applies to fog
repeaters.
Even on the "big railway", there's the Preliminary Junction Indicator,
which doesn't have to be associated with *any* signal, let alone one
capable of showing red (that is, it can stand alone or be placed above a
distant signal).
--
Clive D.W. Feather | Home:
Mobile: +44 7973 377646 | Web: http://www.davros.org
Please reply to the Reply-To address, which is:
|