From North:
(A3 from Cologne) Follow the autobahn A3 until you reach the Wiesbadener Kreuz. Now take the Autobahn A66 towards Wiesbaden. After ca. 10 km at the Schiersteiner Kreuz change the autobahn again from the A66 to the A643 towards Mainz. Follow this autobahn until it ends at the Autobahndreieck Mainz, there you have the change to the autobahn A60 towards Frankfurt. Please leave it at the next exit Saarstrasse. Drive straight ahed through a big roundabout and then leave the street at next exit towards university. Please two times to the left at the next two traffic lights and then you reach the entrance to the university. Enter it via the gate and after 100m drive onto a parking lot to the left. (campus map)
From East:
(A66 from Frankfurt) If you come from the autobahn A5 from direction Kassel take the autobahn A66 towards Wiesbaden at the Nordwestkreuz Frankfurt. Follow the autobahn A66 for ca. 20 km until you reach the Wiesbadener Kreuz. From now it's the same way as from the North.
From West:
(A61 from Cologne) Follow the autobahn A61 on the west side of the rhine to the south towards Ludwigshafen, Mainz until you reach the Autobahndreieck Nahetal. There switch to the autobahn A60 towards Frankfurt, Mainz. Leave this highway at the exit Saarstrasse. From now it's the same way as from the North starting at that point Saarstrasse is first mentioned there.
From South:
(A63 from Kaiserslautern) Follow the autobahn A63 (highway) until you reach the Autobahnkreuz Mainz South. Now take the autobahn A60 towards Bingen, Wiesbaden. Leave it at the next exit Mainz-Bretzenheim. Take a right towards Mainz. Then follow the street until the university is announced to the right. Enter the university via the gate and after 100m drive onto a parking lot to the left.