Turn left ahead
Mandatory turn left ahead. This sign is common at junctions where only left turns are allowed. In the theory test it tests your understanding of mandatory turn signs and the need to follow the arrow. Always signal and turn left.
- Shape
- Circular
- Background
- Blue
- Border
- White
- Primary symbol
- Arrow
- Diagram reference
- 606
Where you'll see this sign
Junctions where only left turns are allowed.
Test yourself on UK road signs
How well do you really know your road signs? New Driver Hub's free mock theory test pulls from official-style DVSA questions and tells you which signs you keep getting wrong.
