This document defines the technical and safety requirements applicable to gangway systems used in heavy rail and urban rail vehicles that are designed to allow passengers or staff to move between adjacent vehicles. It also defines the requirements for the safety for passengers and/or staff in the gangway while the train is running, the assessment methods as well as pass/fail criteria for gangways installed on vehicles. NOTE Some requirements in this document may not be applicable for gangways designed for use by staff only. This document is not intended to define requirements for articulation systems which can be an integral part of gangway systems. This document is not applicable for rubber tube gangways and interconnecting gangways for coaches travelling at speeds of up to 200 km/h on high-speed lines with tunnel sections. Information about these types of gangway systems are given in Annex A and Annex B.