Designing cooperative interaction of automated vehicles with other road users in mixed traffic environments


Automated Vehicles (AVs) are expected to start being deployed in mixed traffic and for this they will need to interact safely and efficiently with other (non equipped) users, including drivers of manually driven vehicles, cyclists and pedestrians. Currently, these vehicles cannot communicate their intentions to other road users and this limitation reduces the intuitive and cooperative interaction between the AV and others, and the smooth flow of all traffic.


The main objective of interACT is to substantially improve this communication and cooperation strategy. interACT will provide an overview of current human machine interactions in mixed traffic, and increase chances of safe deployment of AVs by developing novel software and HMI hardware components for reliable and user-centric communication between an AV with its users.


In more detail, interACT will:


1) Use social-psychological models to compile a catalogue of interactions, identifying the main communication needs of road users in current and future traffic scenarios

2) Improve software algorithms and sensor capabilities for assessing intention recognition and behaviour prediction of surrounding road users

3) Use a Cooperation and Communication Planning Unit to integrate planning algorithms, providing synchronized and integrated communication protocols

4) Ensure safety of road users by developing easy-to-verify software for a safety layer, and novel methods for fail-safe trajectory planning.


Prototypes will be developed and evaluated in multi-actor simulators and two test vehicles, assessing ease-of-use, acceptance, safety and reliability. The impact of this successful communication on traffic safety, traffic flow and acceptance of AVs by the society will be investigated.


Grant agreement no: 723395

Project start date: 1 May 2017

Duration: 36 months

Coordinator: Deutsches Zentrum fŸr Luft - und Raumfahrt (DLR), Germany

Anna Schieben (

Partners: Bayrische Motoren Werke AG (BMW Group), Germany, Centro Ricerche Fiat SCpA (CRF), Italy, Hella KGaA Hueck & Co (HELLA), Germany, Institute of Communication and Computer Systems (ICCS), Greece, Robert Bosch GmbH (Bosch), Germany, Technische UniversitŠt MŸnchen (TUM), Germany, University of Leeds (UNIVLEEDS), United Kingdom project has received funding from the European UnionŐs Horizon 2020 research and innovation programme under grant agreement No 723395.




This website is developed and maintained by ICCS.