成人快手

London has been named the world's slowest city for drivers because of widespread 20mph speed limits - according to analysis from technology company TomTom.

Journeys of 10km (6.2 miles) in central London took an average of 37 minutes and 20 seconds last year.

This was the longest time among the 387 cities in 55 countries analysed.

It is the second year in a row that London tops the slow city ranking, but a spokesperson for the mayor of London described the study as "misleading".

So is London really the slowest city for drivers? And what do the various groups using London's roads make of 20mph speed limits?

成人快手 London's Chris Slegg has been to find out.

(Image credit: Getty Images)