By car : From motorway "Lyss-Biel", take exit "Biel/Port/Delémont". At the first intersection turn left towards "Port". At the roundabout go straight on, cross the bridge over the channel and watergate, then take the first right downhill. ISS will be on your left after 200 meters.

By bus : From Biel train station take bus no. 8. Get off the bus at the "Spittel" bus stop. Walk downhill and you will see the ISS signpost in front of you to the left.