Freiburg is on the ICE/IC route Frankfurt-Karlsruhe-Freiburg-Basel.

Your journey times:
Freiburg-Stuttgart: 2 hrs
Freiburg-Frankfurt/Main 2¼ hrs
Freiburg-Cologne: 3¼ hrs

From the Central Station you can travel to the Exhibition Centre with the fast train in the direction of Breisach to "Messe". From there it is only a short walk to the Exhibition Centre. Also you reach Messe Freiburg by tram no. 4 stop "technische Fakultät".

You reach Messe Freiburg by tram no. 4 last stop "technische Fakultät" every 7.5 minutes.