GlossaryEN1 min readUpdated: Jun 26, 2026
European Rail Traffic Management System (ERTMS)
When a freight train crosses a national border, it traditionally encounters a different signalling system – ERTMS eliminates that barrier.
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Source: https://www.era.europa.eu/domains/infrastructure/european-rail-traffic-management-system-ertms_en
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Definition & Explanation
When a freight train crosses a national border, it traditionally encounters a different signalling system – ERTMS eliminates that barrier. The European Rail Traffic Management System (ERTMS) is a unified European framework for train protection and traffic management designed to replace around twenty incompatible national systems and enable seamless cross-border rail operations. It comprises two core components: the European Train Control System (ETCS), which transmits movement authorities and speed targets digitally to the train, and a radio communication system for data exchange between trains and control centres. On rail freight corridors, ERTMS translates into shorter headways, increased line capacity, and improved reliability. Deployment is carried out in phases over several decades and requires coordinated investment by infrastructure managers, railway undertakings, and public authorities.
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