Travelling by train
The next train station is the central station in Braunschweig. You can either take a cab (about 11km) or travel by bus with the 420 (every 15 minutes) to Wolfenbüttel, Mittelweg. From there you can walk about 500m to the Campus.
Travelling by plane
If you want to travel by plane, you can book a flight to Hannover. The Hannover Airport (HAJ) is a frequented international airport about 100km from Wolfenbüttel. You can reach the Campus by train, cab or airport transfer (79€).