Are roads safer without white lines in the middle?

White lines are being removed from busy roads across parts of the country in an attempt to slow motorists down.

Highway chiefs say blank roads introduce a sense of uncertainty that encourages motorists to drive more cautiously, especially when faced with oncoming traffic.

Tracey Jessop, an assistant director for highways and transport at Norfolk country council which is trialing the idea, and Edmund King, president of the AA, discuss line-less roads.