Tram (VBZ) No. 4 to Förrlibuck (then 4 minutes' walk to Technoparkstrasse, follow dashed lines across the Escher Wyss site)
Tram (VBZ) No. 4 or 13 to Escher Wyss Platz (then 8 minutes' walk to Technoparkstrasse, follow dashed lines along Hardstrasse / Pfingstweidstrasse)
Bus (VBZ) No. 54 from Escher Wyss Platz or from Altstetten station to Technopark (then 2 minutes' walk to Technoparkstrasse, follow dashed lines)
Bus (VBZ) No. 33 to Pfingstweidstrasse (then 4 minutes' walk to Technoparkstrasse, follow dashed lines)
Bus (VBZ) No. 72 to Pfingstweidstrasse (then 4 minutes' walk to Technoparkstrasse, follow dashed lines)
Suburban train S5 / S6 / S7 / S9 / S12 (all via Zurich main station), or various mainline trains via Zurich main station to Hardbrücke (then 8 minutes' walk to Technoparkstrasse, follow dashed lines along Hardstrasse).