Coming from Aachen or Düsseldorf:
On the A 44 motorway (Aachen - Düsseldorf) leave at the "Jülich-West" (Koslar) exit, at the roundabout take the exit towards Jülich and after about one kilometre turn right at the roundabout (Westring) towards Düren (B56), continue straight on and after about five kilometres turn left onto the L 253 (third set of traffic lights), then follow the signs for "Forschungszentrum".
Coming from Cologne:
On the A 4 motorway (Cologne "Köln" - Aachen) leave the motorway at the Düren exit, then turn right towards Jülich (B56), after about ten kilometres turn off to the right (L 253) and follow the signs for "Forschungszentrum".
From Düsseldorf Airport:
Take the A 52 motorway towards Düsseldorf/ Mönchengladbach, then take the A 57 (towards Cologne "Köln") and then the A 46 (towards Jüchen/Grevenbroich), and finally the A 44 towards Aachen. Continue as described above. Alternatively: take the train from Düsseldorf Airport via Düren. It takes about two hours to reach the stop "Jülich Forschungszentrum".
From Brussels or Cologne:
Take the "Deutsche Bahn" to Düren Main Station (Hauptbahnhof), then take the local train (Rurtalbahn) towards Jülich and alight at the "Forschungszentrum" stop from where it is about ten minutes on foot to the main entrance of the Research Centre. Please tell your host when you will be arriving at the "Forschungszentrum" stop.
(Information without guarantee)