PSI is located in northern Switzerland, approximately midway between Zürich and Basel. The nearest towns and railway stations are Baden and Brugg. Frequent air and train connections via Zürich or Basel are available from all major European cities.
To find PSI by car
To reach PSI by public transport
Brugg is on the train line (Zürich–Basel, Zürich–Bern). You can take a public bus (Postauto) from Brugg railway station. Take the Brugg–PSI–Böttstein–Döttingen bus, and within 20 minutes you will arrive at PSI.
When you land at the airport
There is an SBB railway station at the International Airport at Zürich-Kloten. Take the train to Brugg and a public bus (Postauto) from Brugg railway station to Villigen PSI.