Mandatory signs (D-series)
Mandatory signs are blue circles that prescribe a mandatory direction or action. D01 indicates a roundabout (must travel clockwise). D02 requires going straight ahead. D03a requires turning right. D03b requires turning left. D05 requires right or straight ahead. D06 requires left or straight ahead. Mandatory signs must always be obeyed.
Key rules
- 1Blue circle = mandatory
- 2D01 = roundabout, travel clockwise
- 3D02 = must go straight ahead
- 4D03a = must turn right
- 5D03b = must turn left
- 6Always mandatory to obey
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