Cambridge South signal box was located on the platform end of the station so was easy to photograph as seen here. It is an LNER box dating from 1925 that has had its locking room windows bricked up probably as a wartime blast protection measure. The box controlled an odd mix of mechanical signals and colour lights using electronic control rather than the more conventional levers. The box was to close on 16.10.82 with control moving to the newly built PSB with electrification arriving six years later. Notice the rail worker taking some sort of break on the box steps, today he would be head to foot in hi-viz and a white helmet back then, just an orange tabard sufficed!
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