Carl Berners plass is an underground rapid transit station located on the Grorud Line of the Oslo Metro, and a tram stop on the Sinsen Line of the Oslo Tramway. The square also has a bus stop for lines 20, 21, 31 and 33. Located at Helsfyr in Oslo, Norway, the area has a mixture of apartment buildings and small businesses. The station is the first metro station on the Grorud Line after it branches off from the shared Common Tunnel. North of the station, the Ring Line branches off from the Grorud Line. The station is served by line 5 of the metro and Line 17 of the tramway, with four hourly departures during regular hours. The tram operates every 10 minutes during regular hours.