... by car
At freeway junction Oldenburg-Ost, follow A28 towards Emden/Leer. Take exit Haarentor, leave the freeway and turn right at the traffic light into Ammerländer Heerstraße. After about 1,300 meters (on your right hand side, there is Mercedes Rosier), turn right into Carl-von-Ossietzky-Straße and continue till the end of the street onto the parking lot.
For orientation: the second right turn is located right in front of a bridge, which you take to cross the main road driving along Carl-von-Ossietzky-Straße.
... by train and/or bus
Take a train to Oldenburg Hbf. Leave the station at the rear exit. From the bus station (ZOB) you can take bus no. 306 "Universität".
Buses and trains to the university [moreonly in German]
Buses and trains from the university [moreonly in German]
... on Campus Wechloy
You can find your way from the bus stop or from the parking lot following the site plan.