Bern, the capital of Switzerland (which is referred to as "Bundesstadt" = federal city) has approx. 150,000 inhabitants. It has a tram network with a length of about 30 kilometers. The outer branch of line 6 from Egghölzli to Worb Dorf is dedicated as a railway and belongs to the RBS (Regionalverkehr = Regional Traffic Bern-Solothurn). Therefore, on the line 6 also vehicles of this operator are used in addition to the normal Bern tram vehicles.
The inner city tram and bus network as well as the trolley bus routes are operated by the municipal transport company Bern under the brand name → Bernmobil