Sistema Controllo Marcia Treno

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Sistema di Controllo della Marcia del Treno (SCMT) is a discontinuous train cab signalling system used in Italy. It shares many features with the Ripetizione Segnali (RS) system, the two systems co-existing and working together. The main purpose of SCMT is to control the respect of the speed limit imposed by the signal aspect and the line condition.

SCMT is divided in two parts:

• SSB: Sottosistema di bordo ("Onboard Subsystem")
• SST: Sottosistema di terra ("Ground Subsystem")