Showing 4 auto-routed bicycle routes (using Map of Operatunnelen / Bjørvikatunnelen E 18graphhopper) between the two ends of the tunnel. Download gpx file: map204039528.gpx. Openstreetmap tags:
destination:ref:lanes = E 18| highway = trunk int_ref = E 18 lanes = 2 layer = -2 lit = yes maxspeed = 60 motorroad = yes name = Operatunnelen / Bjørvikatunnelen oneway = yes ref = E 18 source:maxspeed = sign surface = asphalt tunnel = yes