With modern radios such as CSR and GSM-R it is not even necessary for the driver to speak to the signaller: pressing the "SG" button on the train's radio will send a "Train standing at signal" message.
Pressing the "SG" button on the train's radio will send a "Train standing at signal" message. With modern radios such as CSR and GSM-R it is not even necessary for the driver to speak to the signaller.
With modern radios such as CSR and GSM-R it is not even necessary for the driver to speak to the signaller. Pressing the "SG" button on the train's radio will send a "Train standing at signal" message.
With modern radios such as CSR and GSM-R it is not even necessary for the driver to speak to the signaller. Pressing the "SG" button on the train's radio will send a "Train standing at signal" message.