D-3 One-way road
What it means
Marks the start or continuation of a road on which traffic moves in one direction only. On a one-way road you may also stop and park on the left, and before turning left you move to the left edge of the carriageway.
In the exam
The exit end of a one-way road is marked with the "brick" B-2 from the other side. U-turns on a one-way road are banned.