UM.71: Difference between revisions

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{{Template:LastNextSignals
{{Template:LastNextSignals
|LastSignal=[[UM.71]]
|LastSignal=[[UM.72]]
|LastSignalLine=Up Main
|LastSignalLine=Up Main
|NextSignalLine=Up Main
|NextSignalLine=Up Main

Latest revision as of 17:50, 5 August 2014

Link back to Control Functions.

Origin

UM.71 was a 4-aspect, semi-automatic signal commissioned at Swindon MAS Stage 1 on 14 November 1966[1]. At that stage it was supervised by Uffington SB.

It was the protecting signal for Ashbury Level Crossing and Ground Frame on the Up Main.

Controlled passed to Swindon Panel under Swindon MAS Stage 5 on 3rd March 1968.

Previous Signal Line Line Next Signal
UM.72 Up Main Up Main UM.70

Converstion to Controlled

This signal was planned to be converted to a controlled signal (SN.85) (from a semi-automatic) on 2 August 1970:

SN Won AKOverton-1.jpg

But the work did not take place as planned:

SN Won AKOverton-2.jpg

and the signal was actually converted to SN.85 on 6 September of that year.

Previous Signal Line Line Next Signal
UM.72 Up Main Up Main UM.87

Conversion back to Automatic

Latterly the signal was converted back from SN.85 to an automatic.


References

  1. Signalling Notice S.2498