This document provides an overview of the Common Accident Data Set (CADaS) project. It discusses the CADaS data model and the 5-step process for loading country data into CADaS. An update on the status of loading data from different countries is given. The document demonstrates CADaS and related data in Business Objects XI, with examples of error reports, data availability analyses, and accessing accident data. Countries are encouraged to participate in CADaS to improve road safety data harmonization across Europe.