Showing 7 auto-routed bicycle routes (using Map of Storhaugtunnellen 427graphhopper) between the two ends of the tunnel. Download gpx file: map87425060.gpx. Openstreetmap tags:
bicycle = no foot = no highway = secondary layer = -1 maxspeed = 50 name = Storhaugtunnellen ref = 427 surface = asphalt tunnel = yes