Warning road markings
Lane Reduction Arrows (WM6)

Where
On a multi-lane carriageway.
Purpose
To warn that the traffic lanes are reduced from the left or right / from both sides
Action
Change lanes in time if the lane you are travelling in ends. Check both the blind spots where two lanes end from both sides to make sure there is no other vehicle that is also changing lanes.
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Other warning road markings
- Railway Crossing Ahead (WM1)
- Continuity Lines (WM2)
- Dividing Lines (WM3)
- Reversible Lane Lines (WM4)
- Yield Control Ahead (WM5)
- Mandatory Direction Arrow Ahead (WM7)
- No Overtaking or No Crossing Line Ahead (WM8)
- Arrestor Bed Ahead (WM9)