When approaching by car, take one of these Autobahn-exits:
A3: OB-Lirich/DU-Meiderich, then to “OB-Zentrum”
A40: MH-Styrum, then direction “Oberhausen”
A42: OB-Zentrum, then direction “MH/OB Zentrum”
From there follow the signs to “Zentrum Altenberg” or “Rheinisches Industriemuseum”.
Parking: There is a huge P&R parking lot right between the train station and Zentrum Altenberg, access via Hansastraße.
by train / public transport
As you can see from the Google Maps above the train station is very close to the venue. It’s actualy less than a five minute walk from Oberhausen main station to the venue. There is even a direct train line to Amsterdam Centraal which takes less than two hours.
If you stay (or live) in or around Oberhausen and want to use the public transport system, then check out this link.