RIS-0340-CCS Iss 1

This document is intended to be used by rolling stock owners and operators to assist procurement of the ETCS onboard equipment, and by suppliers in pre-empting the likely demands of GB railway undertakings in their product offerings. This document, or the relevant requirements within it, may also be used in the procurement of ETCS onboard equipment and it has been derived in conjunction with the requirements of version 2.3.0 of the ERTMS Class 1 Specifications. Furthermore, this document includes functional and non-functional requirements for the ETCS onboard equipment on vehicles to be operated in Great Britain (GB) which do not constrain or drive infrastructure functionality, and do not relate to the operation of existing national safety systems.