In message
asdf wrote:

On 12 Feb 2007 14:30:58 -0800, Adrian wrote:

[snip]

A more elegant solution MAY have been to simply swap the platform
utilization. e.g. LT would have used the middle lines, platforms 14 and
15, whilst BR used the outer ones, 13 and 16. Had 16 been connected
using a long single track from west of Royal Oak there would have been no
crossing of LT on the flat and no problems with AWS.

Or they could have just made gaps in the conductor rails for the AWS shoes
to pass through...

IIRC the AWS shoes were on the centre line of the loco, where the negative
rail is on the underground.

--
Graeme Wall
This address is not read, substitute trains for rail.
Transport Miscellany at http://www.greywall.demon.co.uk/rail/index.html