Showing 2 auto-routed bicycle routes (using Map of Sluppenvegen 706graphhopper) between the two ends of the tunnel. Download gpx file: map81064212.gpx. Openstreetmap tags:
highway = trunk layer = -1 name = Sluppenvegen ref = 706 tunnel = yes
highway = trunk layer = -1 name = Sluppenvegen ref = 706 tunnel = yes