Arriving by public transport:

From Essen main station:

Stop Universität Essen (take exit Reckhammerweg):

subway route U11 (terminating at GE-Buerer Str.)
subway route U17 (terminating at Karlsplatz)

Arriving by car:

A52 coming from Düsseldorf:

take exit Essen-Süd
following the signs to "Universität"

A52 coming from Essen Huttrop:

take exit Essen-Bredeney
turn right onto Ruhrallee
follow the signs to "Universität"

A40 coming from Mülheim:

take exit Essen-Zentrum
turn left twice onto Hans-Böckler-Strasse (B224)
follow the signs to "Universität"

A40 coming from Bochum:

take exit Essen-Zentrum
turn right under the railway bridge onto Hindenburgstrasse
following the signs to "Universität"