Showing 2 auto-routed bicycle routes (using Map of E 18graphhopper) between the two ends of the tunnel. Download gpx file: map74207783.gpx. Openstreetmap tags:
highway = trunk int_ref = E 18 lanes = 2 layer = -1 lit = yes maxspeed = 90 motorroad = yes oneway = yes proposed = trunk ref = E 18 tunnel = yes