SN.31R

From Swindon Panel Reference
Revision as of 21:38, 8 February 2016 by Danny (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Back to Control Functions

Creation

This signal was brought into use in December 1970 to repeat SN.31:

1970-04.png

It could display yellow or green.

Abolition

When the signal was abolished it was replaced with UM.92.