scope:

NEN-EN 16494 defines the requirements for the provision, visibility, readability, maintenance and testing of a specific set of ERTMS trackside boards associated with the following DMI and ETCS track conditions: - ETCS stop marker; - ETCS location marker, the trackside ETCS signal to identify a specific location on the line; - level transition, corresponding to transitions between ETCS levels; - lower pantograph; - pantograph lowered; - raise pantograph; - neutral section announcement; - neutral section; - end of neutral section; - GSM-R network border marker. This European Standard includes the arrangement of the boards and their interface with existing systems (track, cab design including cab sight lines, visibility by the driver and train head lamps).