From Oslo: VY EXPRESS
You can visit Rjukan, Rauland, Gaustatoppen, Haukeli and many other tourist attractions from Notodden.
Check NSB.no to buy tickets. There are only a few departures directly to Notodden from Porsgrunn or Skien a day, but several routes starts in Oslo and stops under 10 km from town, on Nordagutu station. All trains directly from Oslo Airport (OSL) stops 30 km away, in Kongsberg.
The taxi central is situated in the city square, close to Eyde restaurant.
Tlf. 350 11 349