Showing 2 auto-routed bicycle routes (using Map of E 136graphhopper) between the two ends of the tunnel. Download gpx file: map23010800.gpx. Openstreetmap tags:
highway = trunk int_ref = E 136 layer = -1 maxspeed = 80 ref = E 136 tunnel = yes
highway = trunk int_ref = E 136 layer = -1 maxspeed = 80 ref = E 136 tunnel = yes