We all have seen the bold " X " mark painted on last coach of the train.
Here are the reasons ------
1. Primary reason is to confirm that entire train has passed through a station without any coaches left behind.
It is perticularly vital during night operations and in areas with low visibility.
2 The absence of ' X ' on last coach serves as an immediate indicator of an emergency situation.
This practice helps in preventing potential accidents and ensures the safety of passengers as well as railway staff.
3. At night, a blinking tail lamp is attached to the last coach to provide confirmation that the train has passed fully.
4. To ensure that ' X ' is visible under various lighting conditions, railway authorities use various reflective or radium paint.
This enhances the visibility of ' X '.
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