Railcar ABe 4/16 # 3104, by the RhB designated as "STZ" (Stammnetz Triebzug/Trainset for the main network), is running the S 2 line of the Chur S-Bahn, train 1561 from Chur to Thusis, between Chur and Felsberg. The RhB has 5 of this trains, # 3101 to # 3105. The appearance is similar to the "Allegra" ABe 8/12 # 3501 to # 3515.
