Photo of the Day

Carl Court / AFP - Getty Images

Carl Court / AFP – Getty Images

A student ponders while drawing routes on a map of London in a test centre in north London. All London black cab drivers are required to pass the Knowledge in order to be issued with a Hackney Carriage Licence.


On average, between three and four years are needed to acquire this knowledge. A recent scientific study has shown that the area of  the brain responsible for spatial memory, the hippocampus was significantly larger in taxi drivers.

Aboard London taxis, drivers do not use GPS, they know the city by heart, preferring to rely on their memory rather than on modern technologies.


Carl Court / AFP - Getty Images

Carl Court / AFP – Getty Images

Locations are numbered on a map of central London in a Knowledge test centre


Carl Court / AFP - Getty Images

Carl Court / AFP – Getty Images

A student draws a route on a map of London in the test centre.


Source:  NBC News




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  • Mr_Blobby

    3-4 years of study to be a TAXI driver.

    Ridiculous. Especially with modern navigation technology.

    • Pissedoffyouth

      A good taxi driver knows what time of the day traffic is bad, little shortcuts, lots of things a GPS can only slightly emulate.

    • Tom

      The Knowledge is a VERY serious business.

    • LabTested

      Modern navigation technology is getting European truck drivers stuck down narrow English country lanes cos the technology doesn’t know that the quickest route from Dover to Exeter is via London M25 & not in a straight line

      In the middle of last winter my GPS took me up and over a mountain range in europe, rather than the “longer” main road. Snowing in the middle of night & it got pretty hairy on narrow roads

    • Clive

      Nothing ridiculous about it.. it is called professionalism…