The assignment is for electro and SRO for project E134 Damåsen –
Saggrenda on the stretch Damåsen — Saggrenda.
Kongsberg tunnel, Svartås tunnel, Moane tunnel and Vollås tunnel have an annual traffic count of 15 600, 13 000, 8 700 and 8 600 respectively. Kongsberg tunnel and Svartås tunnel are constructed as dual tunnels, whilst Moane tunnel and Vollås tunnel are single tunnels with 2-way traffic.