At the ‘Institut fuer Kraftfahrwesen Aachen, ika’ (Institute of Automotive Engineering, Technical University Aachen, Germany) the submicroscopic traffic simulation program PELOPS (Program for the dEvelopment of Longitudinal micrOscopic traffic Processes in a Systemrelevant environment) was developed in co-operation with the BMW AG (1). PELOPS is oriented towards the fundamental elements of traffic, namely route and environment, driver and vehicle. The focal point of latest research with PELOPS was the investigation of optimizing measures through the application of new vehicle- and traffic-technologies. Effects on driving-comfort, driving safety, traffic efficiency as well as fuel consumption and emissions are simulated and assessed in urban traffic, various traffic situations on German highways and synthetic testing-procedures. The paper gives information about the simulation techniques and the results of the current analysis.