Behind the scenes they mop, scrub and sanitise passenger trains to keep them in tip-top condition.
Cleaners – unsung heroes of the industry – are rarely seen by the public but thanks to one operator in San Francisco, passengers have been given a rare glimpse into their often thankless work.
Bay Area Rapid Transit (BART) has released the above video revealing the extent of work undertaken to keep on top of cleaning a fleet of around 670 vehicles.
BART cars are cleaned multiple times a day on its network thanks to crews that are based at designated locations, who pick up litter and spot clean, with deeper cleaning taking place at night.
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