ÖBB Koralmbahn & ICE 4: Austria’s Rail Upgrade, Benefits

ÖBB boosts Austrian rail with ICE 4, Koralmbahn launch. Faster Klagenfurt-Graz service, regional enhancements.

ÖBB Koralmbahn & ICE 4: Austria’s Rail Upgrade, Benefits
August 7, 2025 10:33 am

ÖBB Unveils ICE 4 and Regional Service Enhancements Ahead of Koralmbahn Launch

Austria’s Federal Railways, ÖBB, is preparing for a significant upgrade to rail services in the southern region of Carinthia, with the impending launch of the Koralmbahn high-speed line in December. The centerpiece of this transformation is the introduction of the modern ICE 4 train, which will be integrated into the network to provide faster and more comfortable long-distance connections. This initiative, coupled with substantial improvements to regional services, marks a pivotal moment for public transport in the region, offering enhanced connectivity and reduced travel times. The new line will dramatically reduce travel times between Klagenfurt and Graz. The service improvements will begin on 8 September, with the ICE 4 entering daily operation on the Klagenfurt-Graz route. This comprehensive upgrade aims to stimulate economic growth, promote tourism, and encourage sustainable mobility, with the added bonus of connecting Kühnsdorf-Klopeiner See station to the broader European rail network.

ICE 4 Deployment and Strategic Infrastructure Development

The ICE 4, a state-of-the-art high-speed train developed by Siemens Mobility, is being strategically deployed to enhance ÖBB’s long-distance network. Featuring 444 seats, ergonomic interiors, free Wi-Fi, and barrier-free access, the ICE 4 is designed to offer a superior passenger experience. Its integration into the Klagenfurt-Graz route will mark its first utilization within Austria’s domestic long-distance service. Critically, the ICE 4’s inclusion necessitates the establishment of a new long-distance stop at Kühnsdorf-Klopeiner See station. This strategic addition will, for the first time, connect the Lake Klopeiner See area to the international rail network, with up to three additional long-distance trains daily from Vienna and Zurich planned to serve this station by December. Furthermore, Kühnsdorf-Klopeiner See station will serve 36 daily regional connections, supporting seamless transfers at Klagenfurt Hbf and St. Paul im Lavanttal, thereby integrating regional and long-distance services more effectively.

Koralmbahn’s Transformative Impact on Southern Austria

The Koralmbahn, set to open on December 14th, represents a major infrastructural undertaking. The new high-performance line promises to significantly reduce travel times, for instance, between Klagenfurt and Graz to just 45 minutes, down from the current travel duration of about 3 hours. The line also serves as a vital link in the Vienna–Klagenfurt–Graz corridor, extending connectivity towards Slovenia and Northern Italy. The transition will incorporate modern rolling stock, including the ICE 4, throughout the Klagenfurt-Graz service. The Koralmbahn promises not only reduced travel times but also increased frequency, improved passenger comfort, and, potentially, a boost to tourism and regional economic development. It will also serve as a critical link in the development of a broader European rail network.

Regional Service Enhancements from September 8th

In anticipation of the Koralmbahn’s launch, ÖBB is rolling out a series of regional service enhancements starting September 8th. These improvements will directly benefit commuters and other regional travelers. This includes early morning arrivals in district towns before 6:00 AM, extended evening services across all S-Bahn lines, and six additional weekday trains between Klagenfurt and Villach, mitigating service gaps. A new afternoon train on the S-Bahn line to Wolfsberg will also be introduced. These adjustments are intended to provide improved connectivity with long-distance services during peak hours, alongside enabling all-year evening travel for events in Klagenfurt and Villach. In total, ÖBB is delivering an additional 94,000 regional service kilometers before the Koralmbahn’s official opening, which further cements its commitment to climate-friendly mobility in Southern Austria.

Stakeholder Perspectives and Future Development

Both ÖBB and regional authorities, like Carinthia’s Regional Transport Councillor Sebastian Schuschnig, are emphasizing the transformative impact of the Koralmbahn. The new high-speed line and the introduction of the ICE 4 are seen as key steps in the creation of a modern, efficient rail network, facilitating both regional travel and international connections. The strategic inclusion of Kühnsdorf-Klopeiner See as a long-distance stop has garnered significant attention, with the expectation that this will bolster economic growth and tourism. The emphasis on improved regional services and the use of modern rolling stock are all designed to provide a more comfortable, time-efficient, and environmentally friendly travel experience. ÖBB Board Member Sabine Stock echoes this sentiment, emphasizing the significance of the new line as a pioneering project in southern Austria.

Conclusion

ÖBB’s comprehensive plan to enhance rail services in southern Austria, encompassing the introduction of the ICE 4 and the launch of the Koralmbahn, signals a transformative era for the region’s transport infrastructure. By integrating cutting-edge rolling stock and strategically expanding services, ÖBB is poised to deliver significant improvements in travel times, passenger comfort, and network connectivity. The anticipated reduction in travel times between key cities, such as Klagenfurt and Graz, coupled with the enhanced regional services, underlines a strong commitment to facilitating sustainable and efficient mobility. The addition of Kühnsdorf-Klopeiner See to the international rail network further enriches the region’s connectivity, opening avenues for economic growth and tourism. The successful implementation of these initiatives will not only benefit the local community but also contribute to the advancement of a more integrated and sustainable transportation network within Austria and beyond.