A yellow sign with a black “X” and the letters “RR” means:

Crossroad ahead.
This lane signal is going to change to red.
A rotary/roundabout is ahead.
A highway-railway crossing is ahead.
Explanation

A yellow sign with a black "X" and the letters "RR" is a warning sign that alerts drivers that a highway-railway crossing is ahead. This sign is placed along the road to give drivers enough time to prepare for the crossing and take the necessary precautions. Drivers should always approach railway crossings with caution and be prepared to stop if necessary.

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