TRL Limited has been commissioned to examine crossover accidents involving heavy goods vehicles (HGVs) on major roads in Great Britain. This report consists of two inter related parts - a review of HGV accidents in which the vehicle restraint in the central reserve has been impacted, and an examination of the whole life costs associated with metal safety fences and concrete safety barriers.
The main focus of this report is the review of HGV incidents. Two distinct types of HGV accident were investigated - those in which an HGV crossed the central reserve, and those in which an HGV struck a safety fence or barrier in the central reserve and was contained and redirected. These accident statistics show that the HGV crossover accident is rare, but can result in a high number of casualties