Take the C111 line in the direction of Universität/Haardter Berg. Get off at the "Am Eichenhang" stop.
From the HTS exit(B54 / B62) Siegen-Weidenau drive in the direction of Netphen. At the second set of traffic lights, turn left into the street "Am Eichenhang". Artur-Woll-Haus and parking facilities are on the left after approx. 1000 m.