Showing 2 auto-routed bicycle routes (using Map of Gudvangatunnelen E 16graphhopper) between the two ends of the tunnel. Download gpx file: map4973824.gpx. Openstreetmap tags:
highway = trunk incline = -3.6% int_ref = E 16 layer = -1 maxspeed = 70 name = Gudvangatunnelen ref = E 16 tunnel = yes