Jekyll and ride: what's your driving personality?

British behaviour on the roads is a strange case of "Jekyll and ride" these days. A psychological study by Aviva involving over 4,000 motorists showed 40% of us experience a radical personality change when we get behind the wheel, with nearly two thirds of us becoming more aggressive. The study was designed to uncover and analyse our driving personalities and behaviour on the road. Drivers were placed in nine different personality categories. So, what kind of driver are you?