Alstom will supply 50 balises for the Belgian operator Infrabel

The order includes the option to increase the quantity to 100, with a 20-year maintenance commitment. Production will take place in Villers-Bretonneux (France) and Charleroi (Belgium), this is reported by the railway transport news portal Railway Supply.

The enhanced balises, based on Alstom’s Onvia Balise technology, simplify the transmission of specific ERTMS signal groups, adapting to train equipment and track conditions.

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These balises autonomously select and transmit messages to trains equipped with ETCS level 1 devices. Additionally, Alstom’s balises feature an automatic warning system to protect track workers, signaling ‘Stop’ or ‘Proceed’ based on workers’ presence.

Balises are essential for data transmission, train positioning, and compliance with the European Rail Traffic Management System (ERTMS) requirements.

Alstom’s Onvia Balise technology is already deployed in 400,000 devices globally.

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A balise, an electronic beacon or transponder, is part of the Automatic Train Protection (ATP) system, positioned between railway tracks.

The term ‘balise’ distinguishes these beacons in the French railway network’s KVB signaling system.

Balises are integral to the European Train Control System, serving as beacons indicating the precise train location.

The ETCS signaling system is gradually being implemented across the European Union’s railways.

Balises are also utilized in China’s CTCS-2 and CTCS-3 train control systems on high-speed lines, based on the European Train Control System.

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