from Stuttgart via B27:

When approaching Tübingen via the B27 from Stuttgart, take third exit indicating to "Tübingen Zentrum, Herrenberg". Then follow the signs for Herrenberg. For about two kilometers you will drive along the southern edge of Tübingen's town centre and among other things pass the railway station on your right. You will eventually get through a tunnel. After the tunnel cross the first crossing and then take the next turn to the right at the traffic lights after the "Total" petrol station into Herrenberger Straße. Take second turn to the left into Aischbachstraße and go up the hill for about 100 m until Friedrich-Dannenmann-Straße is at your left. We are in the corner building exactly opposite.

aus Richtung Reutlingen via B28:

When approaching Tübingen from Reutlingen via the B28, follow the course of the road towards Herrenberg. For about two kilometers you will drive along the southern edge of Tübingen's town centre and among other things pass the railway station on your right. You will eventually get through a tunnel. After the tunnel cross the first crossing and then take the next turn to the right at the traffic lights after the "Total" petrol station into Herrenberger Straße. Take second turn to the left into Aischbachstraße and go up the hill for about 100 m until Friedrich-Dannenmann-Straße is at your left. We are in the corner building exactly opposite.

from Herrenberg/A81 (north) via B28:

You will approach Tübingen from Herrenberg when you are coming from the A81 north. You then take the B28 into Tübingen via Ammerbuch-Entringen and Tübingen-Unterjesingen. After passing the Tübingen sign, take the second turn to the left into Herrenberger Straße at the second set of traffic lights. As the road is a dual carriage way from the sign onwards, it would be helpful to get onto the left lane fairly immediately. When on Herrenberger Straße. take second street to the left, Aischbachstraße, and follow the course of the street for about 100m until Friedrich-Dannenmann-Straße is at your left. We are in the building at the corner on the other side.

from Rottenburg/A81 (south):

If you approach Tübingen from south on the A81, the first exit where Tübingen is sign-posted is "Tübingen/Rottenburg". From there follow the signs to Tübingen. The road will lead you around Rottenburg and take you to Rottenburg-Wurmlingen. At Wurmlingen there is a sign-post indicating to Tübingen-Nord (north) and Tübingen-Süd (south). Follow the direction to Tübingen-Nord. The next place you then come across is Tübingen-Unterjesingen, where you will eventually get onto the B28. There, you go to the right following the sign-posts to Tübingen. After passing the Tübingen sign, take the second turn to the left into Herrenberger Straße at the second set of traffic lights. As the road is a dual carriage way from the sign onwards, it would be helpful to get onto the left lane fairly immediately. When on Herrenberger Straße, take second street to the left, Aischbachstraße, and follow the course of the street for about 100m until Friedrich-Dannenmann-Straße is at your left. We are in the building at the corner on the other side.