Showing 2 auto-routed bicycle routes (using Map of Larvik europavei Martineåstunnelen E 18graphhopper) between the two ends of the tunnel. Download gpx file: map88023366.gpx. Openstreetmap tags:
highway = motorway int_ref = E 18 lanes = 2 layer = -1 maxspeed = 100 name = Larvik europavei oneway = yes ref = E 18 toll = yes tunnel = yes tunnel:name = Martineåstunnelen