Forres South Signal box. Line bearing to the right is the fork to Forres East SB and to the left to Forres West SB.

Alistair Barrie says "Late 1950s or 1960, there are electric lamp standards on platforms following rebuilding of station circa 1957. This is the Sunday 15.00 hrs to Edinburgh & Glasgow, the 'Perth diner', usually 4 coaches for Edinburgh (Thompson & Gresley Maroon) and about 7 Mk 1s for Glasgow mainly maroon.
2 'Hikers' as Black 5s were known in the north.

From a Forres train watcher".