On the above picture, you can spot the access to the university´s main location "Zentralbereich" at Uhlhornsweg. Please use the exit "Haarentor" when leaving the motorway with destination "Zentralbereich". Link to OpenStreetMap 

You can get to the university´s main location "Zentralbereich" by taking one of the city bus lines 306, 310 und 322. The main transfer point in the city is the so called "Lappan". You can catch the busses either at Lappan or at the ZOB (main bus stop, located at the backside of the Oldenburg´s main station).

To obtain travel information and departure or arrival times of the busses, please use the electronic timetable of the local bus company V.W.G. (only available in German):

Electronic timetable of V.W.G. 

Here you have to enter "Oldenburg (Oldenbg)" for "Ort", either "ZOB" or "Lappan" for "Haltestelle" (departure) and either "Universitaet" or "Universitaet/Artill." for "Haltestelle" (arrival).

Besides the city bus, there is also the possibility of using a regional bus of the "Weser-Ems Busverkehr GmbH" from the ZOB at the main station directly to the university. You have to catch bus line 350 (Oldenburg-Westerstede); travel information is availabe at

http://www.fahrplaner.info/