The Bern S-Bahn (S-Bahn Bern; RER Berne) is an S-Bahn commuter rail network focused on Bern, the capital city of Switzerland. The network is roughly coterminous with Bern`s urban agglomeration. With approximately 9 million train kilometres per year, the Bern S-Bahn is the second-largest S-Bahn in Switzerland. It handles around 100,000 passengers ....