DM.68
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Link back to Control Functions.
Origin
DM.68 was a 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 Knighton Level Crossing on the Down Main. It was semi-automatic and fitted with an emergency replacement switch.
Controlled passed to Swindon Panel under Swindon MAS Stage 5 on 3rd March 1968.
Conversion to Controlled
It became SN.16 on 2 August 1970.
Conversion to Automatic
And latterly back to an automatic.