Jernbaneverket
The Numedal Line () is a long railway line that runs up the Numedal valley between Kongsberg and Rødberg in Viken county, Norway. Built and operated by the Norwegian State Railways, the non-electrified, standard gauge line passes through the municipalities of Kongsberg, Flesberg, Rollag and Nore og Uvdal. It is now owned by the Norwegian National Rail Administration.