Speed limits of 32km/hr can cut road deaths by a quarter

Prior to the speed limit change, 45% of cars in Edinburgh travelled above 32km/h with the amount dropping to 31% after the trial. File picture: Larry Cummins

Speed limits that are reduced to 32km/h in urban areas can decrease road deaths by up to a quarter, a new study has shown.

The 32km/h speed limit also reduced serious injuries by one-third.