Always glad to see this epic project progressing again.
I've taken more interest in the London side of , what was " mainline " freight.
Looking at SL, I can't work out why it had a lot of infrastructure machines in the period , as it would appear the nearest yards used for trips were at Stratford, hoo junction, three bridges and tonbridge ?
The actual loco shed would make an interesting model and the scenic breaks in that urban environment would be fairly easy....hmmmm....layout idea 11233....