Route Boundary & Signalling
Just under a mile to the east of Royston station lies the boundary between the Network Rail London North Eastern Route and Anglia Route. All signals between Kings Cross and this point are controlled by Kings Cross Power Signal Box, whilst those from here to Cambridge are controlled by Cambridge Signal Box. The signalling system for the whole Cambridge Line is Track Circuit block, with all main signals being multiple-aspect colour light signals.
Read more about this topic: Cambridge Line
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