Showing 2 auto-routed bicycle routes (using Map of graphhopper) between the two ends of the tunnel. Download gpx file: map38966427.gpx. Openstreetmap tags:
bicycle = no foot = no highway = trunk_link lanes = 1 layer = -2 oneway = yes tunnel = yes
bicycle = no foot = no highway = trunk_link lanes = 1 layer = -2 oneway = yes tunnel = yes