Showing 2 auto-routed bicycle routes (using Map of 466graphhopper) between the two ends of the tunnel. Download gpx file: map538831726.gpx. Openstreetmap tags:
highway = primary layer = -1 maxheight = 3.9 maxspeed = 80 ref = 466 tunnel = yes
highway = primary layer = -1 maxheight = 3.9 maxspeed = 80 ref = 466 tunnel = yes