Novel active safety functions are introduced in road vehicles and nowadays cars, trucks and buses start to be equipped with functions to avoid collisions. The performance of these active safety functions must be possible to test and assess. There are several initiatives addressing how to test active safety. These functions are under rapid development and there is presently, and in contrast to passive safety, no generally accepted assessment programme in place.Several initiatives have identified this need for standardized testing and assessment methods over the past years. This paper gives an overview and comparison of initiatives worldwide which lately have been or are currently dealing with the topic of active safety performance testing. Among others, performance in vehicle-to-vehicle or vehicle-to-pedestrian accident scenarios is being addressed by international initiatives: the eVALUE, ASSESS and AsPeCSS projects, the vFSS working group, the CAMP-CIB initiative and the AEB group. These initiatives propose test procedures for Forward Collision Warning, Autonomous Emergency Braking and Pedestrian Detection and Protection systems.As a result, the paper will describe the initiatives addressing AEB systems and their interaction and the status of the test procedures and test targets under development.This paper is given under the umbrella of the ActiveTest initiative. It is a neutral initiative with the objective of disseminating current research dedicated to the evaluation of performance of active safety systems.