Hay Lane Ground Frame: Difference between revisions
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==General== | |||
The ground frame was protected by semi-automatic signals [[DM.80]] and [[UM.81]]. | |||
==Removal== | ==Removal== | ||
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[[file: 1974-01.png | border]] | [[file: 1974-01.png | border]] | ||
At the same time, the protecting signals were re-classified as automatic signals. | |||
Latest revision as of 02:23, 7 January 2017
Back to Control Functions | Back to list of Ground Frames
General
The ground frame was protected by semi-automatic signals DM.80 and UM.81.
Removal
The ground frame was removed in January 1974:
At the same time, the protecting signals were re-classified as automatic signals.