scope:

This issue of the Specification covers the selection of signals and Buffer Stops at which the provision of TPWS is required to meet the requirements of the Railway Safety Regulations 1999 (the Regulations). Further issues will address the provision of TPWS equipment at Speed Restrictions. It shall be applied by Railtrack, in conjunction with Railtrack Line Specification RT/E/P/10138 TPWS - Transmitter Loop Requirements and Positioning to determine requirements for TPWS.

This Specification may additionally be updated and re-issued in future should Exemptions to the Regulations be granted.

Purpose

This Specification describes the process for assessing the requirement to provide Train Protection & Warning System (TPWS) equipment at signals and Buffer Stops as defined in the Railway Safety Regulations 1999.