You will find the trams when you leave the northern central railway station main entrance. Take the tram 2, 4 or S4 going to the east (right) on the first track to stop Durlacher Tor / KIT Campus Süd, which takes 10 mins. From tram stop Durlacher Tor / KIT Campus Süd walk 10 mins across the campus to NNE to Adenauerring 20a, building 50.41 (see map of Campus).

From Frankfurt Airport, take the ICE from the long-distance train station south to Karlsruhe main station (duration approx. 1 hour). Alternatively you can also take the FlixBus, which takes longer but is cheaper.

From Baden-Baden Airport, take the bus 285 (Airpark Terminal) to Baden-Baden Bahnhof (duration approx. 18 minutes) and then the tram S7 to Karlsruhe to the station Durlacher Tor/ KIT Campus Süd (duration 43 minutes). Alternatively, you can also take the bus 234 (Schwarzbach) to Raststatt main station (duration 34 minutes) and then the tram S8 to Karlsruhe Durclacher Tor/KIT CAmpus Süd (duration 36 minutes).

From Stuttgart Airport take the tram S2 to Stuttgart main station (duration 27 minutes) and then a regional train or IC to Karlsruhe Hauptbahnhof (duration 50 minutes to 1.5 hours). Alternatively, you can take the FlixBus, which takes longer but is cheaper.

Coming from the north from Frankfurt and Heidelberg (A5)

Take the A5 motorway towards Karlsruhe/Basel, leave the A5 at the Karlsruhe-Durlach exit.
Continue towards Karlsruhe (first exit).
Follow the four-lane entrance road (Durlacher Allee) until the sign "KIT-Campus Süd", then turn right (Adenauerring)
Drive straight ahead along the "Adenauerring" until the next but one crossing. At the sign "Parkplätze Universität" finally turn right and park there. Of the two buildings you see, the front building is the AVG, the rear building is the FZU.
 

From the northwest from Cologne and Koblenz (A61)

Take the A61 motorway to the A5, leave the A5 at the Karlsruhe-Durlach exit.
Continue towards Karlsruhe (first exit).
Follow the four-lane entrance road (Durlacher Allee) until the sign "KIT-Campus Süd", then turn right (Adenauerring)
Drive straight ahead along the "Adenauerring" until the next but one crossing. At the sign "Parkplätze Universität" finally turn right and park there. Of the two buildings you see, the front building is the AVG, the rear building is the FZU.
 

Coming from the east from Munich and Stuttgart (A8)

Take the A8 motorway in the direction of Karlsruhe until you reach the Karlsruhe junction, then turn half-right onto the A5 in the direction of Frankfurt.
Leave the A5 at the Karlsruhe-Durlach exit and continue towards Karlsruhe (first exit).
Follow the four-lane entrance road (Durlacher Allee) until the sign "KIT-Campus Süd", then turn right (Adenauerring).
Drive straight ahead along the "Adenauerring" until the next but one crossing. At the sign "Parkplätze Universität" finally turn right and park there. Of the two buildings you see, the front building is the AVG, the rear building is the FZU.

Coming from the south in the direction of Basel and Freiburg (A5)

Take the A5 motorway towards Frankfurt, leave the A5 at the Karlsruhe-Durlach exit.
Continue towards Karlsruhe (first exit).
Follow the four-lane entrance road (Durlacher Allee) until the sign "KIT-Campus Süd", then turn right (Adenauerring).
Drive straight ahead along the "Adenauerring" until the next but one crossing. At the sign "Parkplätze Universität" finally turn right and park there. Of the two buildings you see, the front building is the AVG, the rear building is the FZU.

From the highway A5 take exit 44 Karlsruhe-Durlach in B10 Durlacher Allee towards Karlsruhe for 2.3km, turn right in Georg-Friedrich Street (0.4km), turn right in Karl-Wilhelm Platz (100 m) and right in Parkstreet (0.2km), left in Am Fasanengarten (300m) and right in Adenauerring 20a, building 50.41 (see map of Campus). There is a muddy parking lot near the building under the trees. A navigation system would be of advantage since subway constructions