RIS-0735-CCS Iss 1.1

This document sets out requirements, rationale and guidance for signing of Temporary Speed Restrictions (TSRs) and Emergency Speed Restrictions (ESRs) on the Great Britain (GB) mainline railway.

Section 2.5 has been amended to include requirements, rationale and guidance for the use of acceleration indicators in conjunction with the termination of temporary speed restrictions. The changes form part of a suite of standards changes relating to the introduction of new acceleration indicators applicable to permanent speed indicators and the termination of temporary speed restrictions. They are expected to generate significant operational benefits from a reduction in the effects of delays.

An amendment has been made to Figure 13 to clarify the position of a warning board at diverging junction.

Optional reading and resources:

Standards quarterly webinar - September 2024

Where do we use standards? - Control, Command and Signalling