NR NR/L2/TRK/2102/BRIEFING ISSUE 1 PDF

The scope of the document has been amended to restrict it to track with line speeds up to and including 140mph (previously Issue 6 had no upper speed limit). The restriction to 140mph is in line with Railway Group Standards and specifically ‘5021 – Track System Requirements.

Purpose

This document explains the principal changes made to NR/L2/TRK/2102 issue 6 in the drafting of issue 8 and where possible, provision of additional information as to why the changes have been made. The document explains the changes between issue 6 and issue 8 as issue 7 was not thoroughly briefed or varied into contracts with many users still working to issue 6.