What does the sign mean?

Pick an answer to test yourself
The correct answer: Entry of any motor vehicle is forbidden, except a motorcycle without a sidecar.
This sign forbids entry of any motor vehicle except a motorcycle without a sidecar. It is not about parking, and it does not forbid only private vehicles.
This question appears in the theory test for license:B · private carA · motorcycle1 · tractorC1 · light truckC · heavy truckD · bus




