Samenvatting
The present Deliverable 4, Volume II, of the ARROWS-project (Advanced Research on Road Work Zone Safety Standards in Europe) reports on the work carried out within ARROWS Workpackage 4 (Practical Handbook). It constitutes a background report to the ARROWS Practical Handbook, which is produced as Deliverable 4, Volume I. Chapter 1 is a compilation of safety principles, derived from the work which has been conducted in the ARROWS project, which can be used for the planning, design, implementation and operation of European road work zones. Chapter 2 deals with accident scenario construction. Chapter 3 deals with recommendations and compatibility. (A)