scope:

The listed non-compliances may be national derogations (in which case they shall be followed by projects), site specific derogations (in which case projects should apply for the scope to be extended to cover additional sites where relevant) and agreed proposals (in which case projects should seek site specific derogations where relevant).

Purpose

This section forms part of the Signalling Principles Handbook (NR/L2/SIG/30009) and is to be read in conjunction with the other modules of the handbook.

This section lists non-compliances and agreed proposals to change Railway Group Standards in the signalling field.