Which road sign informs about a change in the number of road lanes?

- 622· Correct answer
- 145
- 111
- 109

Sign 622 is the information sign announcing a change in the number of lanes on the road. The sign graphically displays the shape of the road and the lanes. The other signs deal with different matters: 111 - road narrows on the left, 145 - two-way traffic, 109 - road narrows.
change of lanes = sign 622 (the 600 series = information signs)
confusing a road-narrowing sign with a change in the number of lanes
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