City of Winterthur
The basic service 2008, measured from the city boundary, presented 21 S-Bahn trains per hour and direction. In addition, one line is added during peak hours (2 trains per hour and direction) and other additional trains.
Today, Winterthur has one hourly cross-link from Schaffhausen, Seuzach, Weinfelden and Seen in the direction of Zurich as well as other cross-link connections during peak hours.
Map section 4. partial expansion
With the 4. partial expansion the number of S-Bahn trains travelling outside of the city increases from 21 to 25 per hour. The largest proportion of passengers from the surrounding areas of Winterthur have Winterthur as their destination. Yet transit passengers also require passage routes without changing. New cross-links in the direction of Zurich are available for Schaffhausen and Wil.
The services of the S11 und S12 are enhanced by the S23 which runs with ½-h interval during peak hours.