Showing 2 auto-routed bicycle routes (using Map of 42graphhopper) between the two ends of the tunnel. Download gpx file: map291113648.gpx. Openstreetmap tags:
destination = Sandefjord;Strømstad;Andebu destination:ref = 305 destination:symbol = ferry highway = motorway_link lanes = 1 layer = -1 lit = yes oneway = yes ref = 42 tunnel = yes