3 ptsA,A1,A2Official number: 6484
Which of the following vehicles may not enter the road once you go past this sign?

Explanation
Correct answer: A motorcycle with a side car.
The sign B-4 “No entry for motorcycles”, shown in the picture, prohibits motorcycle traffic. According to the definition, this prohibition covers both single-track and multi-track motorcycles. This means that a motorcycle with a sidecar is also covered by this prohibition and may not enter the road where this sign is placed.