20mph speed limit trial saw road deaths and serious injuries slashed walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.
A 20mph speed limit on Belfast city centre streets led to a 2% reduction in crashes and casualties, a study found. Researchers from the Queen’s University.