Showing 10 auto-routed bicycle routes (using Map of Operatunnelen / Festningstunnelen E 18graphhopper) between the two ends of the tunnel. Download gpx file: map204039531.gpx. Openstreetmap tags:
highway = trunk int_ref = E 18 lanes = 3 layer = -2 lit = yes maxspeed = 70 motorroad = yes name = Operatunnelen / Festningstunnelen oneway = yes ref = E 18 source:position = guess tunnel = yes