Londoners spend 12 working days a year stuck in traffic

Darren Cassey

New research has found that congestion on British roads has jumped 40 per cent in just four years, causing the UK's network to grind to a halt.

Traffic is causing chaos in many British cities, but London is by far the worst. Last week, cars and vans were taking up to 11 minutes to travel about 350 yards on bridges over the River Thames.