A Norwegian DiR 3 widens the free path at Hallingskeid, mainline Oslo-Bergen. The two adjustable rotary wheels are protected by debris-cutting propellers in front.
© Svein Ulvund, used with permission. Svein Ulvund owns a photo website, featuring one of the most beautiful regions on this planet. (Yes, the author is biased. I have been there.)
Last modified: 2003-10-06