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Hitachi Rail has successfully completed the first dynamic test of its digital signaling technology for the Paris–Lyon high-speed line. In collaboration with SNCF Réseau, Hitachi Rail teams have been working to modernize the Paris–Lyon high-speed line by replacing the current signal boxes with its next-generation computerized interlocking systems, known as SEI+. The project is part of the LGV+ Paris–Lyon contract, and it was awarded to Hitachi Rail, in December 2019, for a total amount of €129.3 million.
The tests were carried out in an initial section in the Paris area (Zone A) and confirmed that Hitachi Rail’s interlocking system correctly enabled the test train, fitted with ERTMS digital signaling, to run with real commands from the Mistral remote control center in Lyon more than 500 km away.
This new system uses the European standard for ground-to-train communication and interoperability, based on innovative computer and telecommunications technologies.
Full Article: IEEE Vehicular Technology Magazine, Volume 19, Number 2, June 2024 | 
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