Alstom has commissioned the ARGOS digital interlocking system at Montbard station, near Dijon, France. This first implementation was carried out as part of an innovation partnership with the railway infrastructure manager SNCF Réseau.
Digitalization is essential for the implementation of the ERTMS-based speed control system, which Alstom is also installing on the high-speed line between Paris and Lyon to increase its capacity.
“Alstom is proud to support SNCF Réseau in this innovative partnership dedicated to modernizing the French rail network. The commissioning of the ARGOS system in Montbard illustrates our long-term commitment to a digitized, interconnected, and high-performance rail network serving local communities and passengers. Together, we are shaping the future of rail operations,” said Frédéric Wiscart, Alstom’s President for France, Belgium, and Luxembourg.
Major innovations for the digital interlocking system
The ARGOS digital interlocking system is a first for the new generation of railway signaling systems and represents a major evolution in signaling, focused on more digital, integrated, and industrially scalable solutions designed to improve the performance of the French railway network.
Launched in 2018 by SNCF Réseau, ARGOS is a partnership aimed at designing the third generation of electronic signaling systems. ARGOS ensures real-time communication between signaling installations in the field and the Centralized Network Control Centers (CNCR). Its goal is to improve operational reliability and maintenance performance, while also paving the way for the implementation of ERTMS.
Alstom supports SNCF Réseau in achieving ambitious technical and economic objectives for next-generation signaling systems through: In this context, Alstom contributes its technological expertise through the Onvia Lock solution, which is at the heart of its digital signaling offering. This solution enables direct interfacing with track-side equipment (points, signals) via intelligent controllers. This eliminates the need for intermediate relays, thereby reducing on-site infrastructure, cabling volume, and installation and maintenance costs.
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reduction in total cost of ownership;
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digital continuity of systems;
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faster deployment and modification times;
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high levels of reliability, availability and safety;
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enhanced maintainability;
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guarantees of operational readiness.
Modular and scalable, the Onvia Lock solution facilitates network adaptation to future traffic changes and integrates advanced cybersecurity requirements right from the design phase.
Alstom has implemented a fully integrated approach covering the entire value chain, from solution development to field deployment. The ARGOS innovation partnership has mobilized nearly 400 experts across Alstom’s sites in France.
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