Showing 2 auto-routed bicycle routes (using Map of 13graphhopper) between the two ends of the tunnel. Download gpx file: map167701694.gpx. Openstreetmap tags:
highway = trunk layer = -2 lit = yes maxspeed = 60 ref = 13 tunnel = yes
highway = trunk layer = -2 lit = yes maxspeed = 60 ref = 13 tunnel = yes