NR NR/GN/SIG/17901/A ISSUE 1 PDF

This document is based upon information from various sources, and is up to date to available information at the time of document authorisation. The majority of the CCID information is provided by NRG, which will continue to provide all CCID updates, however some historic CCID detail has been provided by projects where missing from the NRG list. All other tabulated information is provided by the respective signalling project that installed or modified the equipment.

Purpose

This document is an appendix to NR/GN/SIG/17901 and lists the CCID, Interlocking ID and Scheme Category of each SSI Central Interlocking, or CBI operating as an emulator of one or more SSI interlockings, currently installed on Network Rail infrastructure.