What is the meaning of the sign?

Pick an answer to test yourself
The correct answer: A tunnel on the road ahead.
This sign warns of a tunnel on the road ahead, so you can prepare for the different conditions inside. It does not mean a temporary narrow passage, the end of a tunnel, or a canal.
This question appears in the theory test for license:B · private carA · motorcycle1 · tractorC1 · light truckC · heavy truckD · bus



