SN.20
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Back to Control Functions.
This signal previously DM.72, but was converted into a controlled signal when Bourton Interlocking was commissioned on 1/10/77, as described in the following WON entry:
The signal was converted from a three-aspect head to a four-aspect head, and positioned on a new gantry at 04.50 on Monday 14 January 2002. The top yellow was not yet brought into use.
The top yellow aspect was planned to be brought into use on 7 February 2000, as described in GWS.15, but, due to 'construction difficulties' the work did not take place.
The top yellow was then planned to be brought into use on 11 February 2002, as described in GWS.27.
and
but wasn't until 18 February 2002....
