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