17900 Zwolle - Nijverdal West (temporary station) The stations were connected by a bus service. Groningen–Zwolle Stoptrein 9100 (Groningen - Zwolle) operates twice per hour (Monday - Friday), It remains once per hour on weekends. Intercity 700 (Groningen - Schiphol) only stops at Assen between Groningen and Zwolle. On weekends this service stops at all stations between Groningen and Zwolle. Stoptrein 2900 (Leeuwarden - Wolvega is extended to Zwolle from Wolvega in the peak hours. Amsterdam–Haarlem–Rotterdam–Dordrecht–Breda The Sneltrein 2200 is an Intercity. From 22.00 the service starts/finishes at Leiden Centraal rather than Amsterdam Centraal. This train no longer operates between Dordrecht and Breda and also does not call at Rotterdam Lombardijen. Passenger rail transport in the Netherlands Nederlandse Spoorwegen 2009 in rail transport