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Main signal

A fixed signal intended for train movements capable of showing a ‘danger aspect’ and one or more ‘proceed aspects’. In some cases main signals at danger are valid for shunt movements.
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ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023

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ERTMS
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ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023

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