- The road tanker driver doesn’t keep to the right of the roadway, even though he can not see the vehicles coming from the opposite direction.
- The road tanker driver is driving far from the “soft shoulders” and in this way avoids risks.
- The marking on the roadway is not clear enough.
- The road tanker driver is driving correctly in the middle of the road, so that he can see better the vehicles coming from the opposite direction.
