Showing 2 auto-routed bicycle routes (using Map of 616graphhopper) between the two ends of the tunnel. Download gpx file: map28497160.gpx. Openstreetmap tags:
highway = primary layer = -1 maxheight = 4.5 maxspeed = 80 ref = 616 tunnel = yes
highway = primary layer = -1 maxheight = 4.5 maxspeed = 80 ref = 616 tunnel = yes