Showing 2 auto-routed bicycle routes (using Map of Holmahaugtunnelen 5graphhopper) between the two ends of the tunnel. Download gpx file: map5082276.gpx. Openstreetmap tags:
highway = trunk layer = -1 maxspeed = 80 name = Holmahaugtunnelen ref = 5 source = NVDB;Kartverket tunnel = yes