Deaths and serious injuries from crashes involving tired drivers surge over summer, according to new analysis. National Highways said government data shows the number of victims in such incidents on England’s motorways and major A-roads from 2015-2019 was 59% higher on average between June and August compared with the rest of the year. The statistics also show fatigue was a contributory factor in 13% of deaths and serious injuries in crashes that happened between 7pm and 6.59am – more than double the proportion during the other half of the day. A survey of 1,860 drivers indicated nearly a thir…