Showing 2 auto-routed bicycle routes (using Map of Gravdalsvegen 48;49graphhopper) between the two ends of the tunnel. Download gpx file: map52571922.gpx. Openstreetmap tags:
highway = primary lanes = 1 layer = -1 maxspeed = 80 name = Gravdalsvegen ref = 48;49 source:maxspeed = NO:rural tunnel = yes