UM.69: Difference between revisions
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Revision as of 17:46, 5 August 2014
Link back to Control Functions.
Origin
UM.69 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 Frames on the Up Main. It was semi-automatic and fitted with an emergency replacement switch.
Supervision passed to Swindon Panel under Swindon MAS Stage 5 on 3rd March 1968.
| Previous Signal | Line | Line | Next Signal |
|---|---|---|---|
| UM.70 | Up Main | Up Main | UM.68 |
Conversion to Controlled
It became SN.87 on 2 August 1970.
Conversion back to Automatic
And latterly was converted back to an automatic.