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Paul Scott · March 23rd 08, 08:27 PM posted to uk.transport.london

"Colin Rosenstiel" wrote in message
l.co.uk...
In article ,
(Paul Scott) wrote:

That is correct, in fact a number of TPWS installations are being
removed as some overkill occured during the original fitting.

Does that mean that AWS is then counted as the redundant safety system?
Or is even that not necessary? After all, not all lines have AWS.

IIRC they are mostly TPWS overspeed warnings associated with speed
restrictions rather than signals.

Paul