Showing 2 auto-routed bicycle routes (using Map of 7graphhopper) between the two ends of the tunnel. Download gpx file: map68900986.gpx. Openstreetmap tags:
bicycle = yes highway = trunk lit = yes maxspeed = 80 ref = 7 tunnel = yes
bicycle = yes highway = trunk lit = yes maxspeed = 80 ref = 7 tunnel = yes