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The integrated project PReVENT takes a first comprehensive step towards realising the vision of a safety zone around vehicles by means of complementary safety functions. The foundation for requirements are laid in the analysis of driver behaviour and accidents, followed by a definition of functions needed from a vehicle to prevent the accident from happening or mitigating its consequences. As a result, the most critical accident scenarios are covered by the applications developed. Furthermore, a requirements database is created and requirements are classified into six main categories. A common PReVENT architecture is presented and highlighted by a sub-project focusing on lateral safety applications. Finally, the approach to further integrate individual preventive safety functions on a common platform is outlined.

The successful implementation of Automated Vehicle Control Systems (AVCS) depends on the reachable private and public benefits. Therefore, the profitability of the system has to be proven. The traditional assessment tool for both is the cost-benefit analysis. The paper presents a general methodological framework, which allows using the cost-benefit analyses for all kinds of AVC-systems. Main focus lies on the assessment of benefits. Therefore, a traffic simulation model is introduced that enables the direct calculation of benefits coming from the traffic effects of an AVC-system. As an example, a cost-benefit analysis is undertaken for the CHAUFFEUR-system.