How often are London tubes cleaned?

In addition to the enhanced cleaning regime outlined above, our existing cleaning schedule for Tube trains consists of three different levels of cleaning: pre-service cleans (daily), intermediate cleans (every 3-4 days) and deep cleans (every 21-28 days). Please find attached details of the tube cleaning regime.



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While modern trains won't litter the tracks with human excrement, the traditional method did just that. This is what was known as a hopper toilet. It could either be a simple hole in the floor (also known as a drop chute toilet) or a full-flush system.

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If we take an overall view of the transport sector, 71% of transportation related carbon emissions come from road users, whereas only 1.8% of emissions stem from rail travel. So in absolute terms, trains are responsible for a lot less emissions than cars.

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Shipping via Rail is Environmentally Friendly In fact, moving freight by rail instead of truck lowers greenhouse gas emissions by 75%.

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Researchers have found the underground lines with the most polluted air are the Northern, Bakerloo, Jubilee and Victoria – because they are the deepest.

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The Waterloo and City line won the title of the safest line was followed by the London overground with 24, Docklands railway at 92, the Metropolitan line with 166 and the Hammersmith and City line with 364 thefts.

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