What do these signs have in common?
Pick an answer to test yourself
The correct answer: They are posted only at work sites.
These signs belong to a group that is posted only at work sites. Work sites can be on any type of road, so the signs are not limited to a freeway, an urban road or a non-urban road.
This question appears in the theory test for license:B · private carA · motorcycle1 · tractorC1 · light truckC · heavy truckD · bus
