Rail Signal Arrangement for a Rail Signaling System

A rail signal arrangement for a rail signaling system comprising:

• a rail signal having a plurality of rail signal lamps each comprising a plurality of light emitter sub-arrays that each comprise a light emitter, wherein the light emitter sub-arrays of each rail signal lamp are electrically connected in parallel;
• and
• a control circuit configured to:
• (i) operate the rail signal lamps in response to operating instructions from a remote operations management system, (ii) detect the proportion of light emitter sub-arrays that are operable with a monitoring system in each rail signal lamp, and (iii) provide a condition status signal to the remote operations management system in accordance with whether the proportion of operable light emitter sub-arrays in each rail signal lamp meets a respective minimum threshold level, wherein a plurality of the rail signal lamps have different respective minimum threshold levels.