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Origin

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Removal

The points were taken out of use in November 1992:

and replaced with plain line later than month:

When the points were taken out of use, SN.61 and SN.159 lost their routes to SN.65, and SN.42 lost its routes to SN.52 and SN.150.

It took several attempts to remove the number 4 and 5 junction indicators from SN.42.