Which sign posted on a road notifies of a change in the number of lanes on the road?

Pick an answer to test yourself
The correct answer: 622
The sign that notifies of a change in the number of lanes on the road is sign 622. The signs 109 and 145 are different signs, so it is wrong to say that all four signs give this notice.
This question appears in the theory test for license:B · private carA · motorcycle1 · tractorC1 · light truckC · heavy truckD · bus





