Hello.
I noticed signal 727 (on approach to Heworth platform 1) has a junction indicator, stencil indicator and a shunt signal.
I can understand the feather being to tell you you are diverting onto the platform 2 line (not sure if this is the ‘up’ or ‘down’ line, if indeed metro label their lines as such) and the cats eyes to permit this as a shunt manoeuvre. But I am a bit unsure as to what the stencil route indicator is for? As in, I am not sure what this could display that the feather and cats eyes couldn’t. Does anybody happen to know? One theory I had is that this could just be a relic from pre-metro days.
I noticed signal 727 (on approach to Heworth platform 1) has a junction indicator, stencil indicator and a shunt signal.
I can understand the feather being to tell you you are diverting onto the platform 2 line (not sure if this is the ‘up’ or ‘down’ line, if indeed metro label their lines as such) and the cats eyes to permit this as a shunt manoeuvre. But I am a bit unsure as to what the stencil route indicator is for? As in, I am not sure what this could display that the feather and cats eyes couldn’t. Does anybody happen to know? One theory I had is that this could just be a relic from pre-metro days.