Original: At the time of its closure, it was carrying a mere 80 passengers a day; local lore had it that the line was being kept open in case the Cabinet needed to be evacuated to the nuclear bunker at Doddinghurst.
Simplified: When the line closed it was carrying just 80 passengers a day. Local lore said that the line was being kept open in case the Cabinet needed to be evacuated to the nuclear bunker at Doddinghurst.