A recent study led by researchers from the National University of Singapore (NUS) has found an explicit link between the colour of a taxi and its accident rate. An analysis of 36 months of detailed taxi, driver and accident data from two fleets of yellow and blue taxis in Singapore suggested that yellow taxis have fewer accidents than blue taxis. The higher visibility of yellow makes it easier for drivers to avoid getting into accidents with yellow taxis, leading to a lower accident rate.
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