The growing problem of road traffic injuries requires sustained implementation of intervention measures by different sectors. Availability of information on effective measures is necessary to guide decision making. Rune Elvik and Truls Vaa have made an excellent effort to address this need.

The title of this book can easily mislead the reader—it gives the impression that the book provides guidelines on specific road safety measures. The book does not do this at all. Instead, it describes as objectively as possible what is known about the effects of road safety measures.

This book has four main parts. The first part is introduction, outlining the purpose, structure, methods used, factors contributing to road traffic collisions, basic concepts of road safety, quality of road safety evaluation research, and contribution of research to road safety policy making. The second …