Signalling function control; Ski station

Planning; installation check out and function control of the modified signalling system at Ski station on the Østfoldbanen line. The function control was done as part of the commissioning of the reduced Ski station; enabling building of the Follobanen line. The work was done by personnel certified by Jernbaneverket as "Sikkerhetskontrollør signal" and "Sluttkontrollør signal".