A mystery DMU tunnel!
This was a true rarity! A tunnel used to stable DMUs between journeys, and as far as I know, there was only one example outside of urban areas on Britain’s railway system (although there are other examples where DMUs reversed
Four inclined lifts would be provided for Crossrail (Elizabeth Line) as is publicly known but did you know there were more? Some stations actually had temporary inclined lifts built for construction purposes, even though those spaces would later be used