Bear in mind that until the Royal Mail cut back its use of trains in 1986 (or thereabouts) and the newspaper traffic went over to lorries about the same time, this train also conveyed several BGs, so typically loaded to 10 coaches, with even more BGs added for the Christmas post.
There are accounts at the link below of typical Edinburgh/Glasgow-Invernesss overnight formations in the mid-1980s, including how the full-length train was formed up at Perth and split at Inverness - with a couple of the BGs transferred to the early train to Wick and Thurso - and just how long the formation could be in December
Hoping for some help with a formation from the mid 80s. I can remember the Glasgow QS to Inverness sleeper which stopped at Perth. Would anyone know the actual makeup of the coaching stock as I want...
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