Driving Instructions to TESS from Oslo (E18):

Having driven out of Oslo, continue approx 25 kilometers on E-18  towards Drammen.
After the tunnel take the Statoil exit and follow the sign towards Göteborg (E-23).
After half a mile take a right turn by Billia (Volvo car dealer).  Proceed until you see
the TESS sign on the left hand side.