US roads have been slightly safer in 2018, according to new data from the National Safety Council (NSC). The research shows that motor-vehicle deaths have decreased in the first five months of 2018.There were 15,280 deaths in motor vehicle related incidents through January and May 2018. This represents a drop of 0.5% from the 15,330 deaths recorded through January and May 2017. However for the period through January and May 2016, the data shows that the rate of motor vehicle related deaths was 9% higher, h