Coming from Bonn/Cologne, take the A 560 towards Siegburg and leave the autobahn at the Siegburg exit. After exiting the autobahn, turn left towards Sankt Augustin Zentrum and follow the road for about 2 km. Take the first exit at the second roundabout. The main building is located at the end of Grantham-Allee. You have reached your destination.
By public transport
From Bonn main railway station, take city railway line 66 towards Siegburg and get off at Zentrum Sankt Augustin. Cross the footbridge over the railway tracks. Bear right and cross the marketplace in front of the HUMA shopping centre. At the end of the marketplace, bear right again and cross the pedestrian bridge, go past the shopping centre car park and over Rathausallee. The Technisches Rathaus is on the right. Turn right along the footpath behind this building. Cross the big car park. Now turn left into Grantham-Allee. You have reached the Hochschule Bonn-Rhein-Sieg campus.
Take the train from Cologne heading towards Siegen or the half-hourly S-Bahn route no. 12 to Siegburg railway station. On arrival, change to city railway line 66 towards Königswinter/Bad Honnef and get off at Zentrum Sankt Augustin. Follow the description above from the marketplace in front of the HUMA shopping centre.