If possible please use the B54n (Hüttentalstraße), leave at the exit Stadtmitte / Freudenberg and drive towards Freudenberg into the Freudenberger Straße. After the tunnel turn left into the (old) Freudenberger Straße towards "Berufliche Schulen / Universität ENC", than at the second set of traffic lights right into the Fischbacherbergstraße. After approx. 500m turn right at the traffic lights into the Friedrich-Ebert-Straße and directly left into the Walter-Flex-Straße einbiegen.
Trains from Frankfurt:
Trains from Cologne:
Trains from Hagen or Bad Berleburg
See also: Deutsche Bahn
Pocket Guide : Bus routes to and from the university
Bus from Siegen Main Station (ZOB):
From the Main Station (ZOB) take the bus C111 to the bus stop Emmy-Noether-Campus. From the bus stop walk against the driving directions to the traffic lights and via the Friedrich-Ebert-Straße and Walter-Flex-Straße to the Emmy-Noether-Campus.
Bus from ENC Campus to Haardter Berg:
Between the University Campuses on the Haardter Berg and the Emmy-Noether-Campus (ENC) you can use the bus C111 nonstop.