Platforms 41 to 44 were closed at Zurich main station on Tuesday morning. This led to a number of train cancellations and delays. As a news scout reported, the S12 from Winterthur to Zurich was packed because other trains had failed.
According to the SBB, the disruption has now been rectified. the SBB writesthat there might still be isolated delays and that one has to reckon with isolated train cancellations.