Passengers may hear alerts of a 'Code One', 'Code Eight' or even for an 'Inspector Sands' sounding over many London Underground station speakers but not many will know their meanings.
These are the meanings behind the coded London Underground announcements. READ MORE:London commuters who frequent the tube will be familiar with the 'code' announcement often heard on their journeys, however, few know what they actually mean.
The various code numbers correspond to what needs to be cleaned up from station platforms and thoroughfares from vomit, urine, blood and faeces to broken glass, litter, overflowing bins and spills. Station controllers will play an automated 'Would Inspector Sands please report to the operation room' when a fire alarm is triggered.
'The message gives us an opportunity to investigate why the fire alarm is operating. It is a safety mechanism that has been agreed with the London Fire Brigade and is the same system used in major national rail stations and airports in the UK.' The code name was first used in theatres in the 1910s to avoid mass panic from the audience. It refers to the use of sand buckets to extinguish fires.
'Code Four' signals there's a drink or some sort of spillage, 'Code Five' means broken glass and 'Code Six' suggests someone's left litter on the ground.
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