Showing 2 auto-routed bicycle routes (using Map of Indre Sandvik tunnel 686graphhopper) between the two ends of the tunnel. Download gpx file: map330455452.gpx. Openstreetmap tags:
highway = secondary layer = -1 maxspeed = 80 name = Indre Sandvik tunnel ref = 686 source = NVDB;Kartverket tunnel = yes