Peak hour push-pull train of the S-Bahn Zürich, called "HVZ" (Hauptverkehrszeit), with doubledeck cars of former DPZ, which were replaced by new low entrance cars from Bombardier, and Re 420 # 227 "LION" in front and Re 420 # 221 "LION" pushing in the rear. 30 of the Re 420 locomotives (# 11201 to # 11230) were rebuilt between 2011 and 2016 in the industrial work Bellinzona for this service. "LION" means Lifting, Integration, Optimierung und Neugestaltung. Empty train 29531 from Zürich Herdern to Oberwinterthur for maintenance is entering Winterthur. Before, this train made the S 23 service 19022 from Romanshorn (departure 5.32 AM) via Weinfelden-Frauenfeld-Winterthur-Zürich Stadelhofen to Zürich main station, then running empty to Zürich Herdern yard.
