Showing 3 auto-routed bicycle routes (using Map of Drammensveien 161;Ring 2graphhopper) between the two ends of the tunnel. Download gpx file: map88600730.gpx. Openstreetmap tags:
highway = primary lanes = 3 layer = -1 maxheight = 4.1 motor_vehicle:lanes = ||no name = Drammensveien oneway = yes psv:lanes = ||designated ref = 161;Ring 2 source:maxspeed = NO:urban surface = asphalt tunnel = yes wikidata = Q5305795