Lane open to vehicular traffic
Sign indicating a lane is open to traffic. This sign is common on smart motorways and tidal-flow systems. In the theory test it tests your understanding of lane control systems and the need to obey the green arrow lights. Always use the open lane when permitted.
- Diagram reference
- 5001.1
Where you'll see this sign
Smart motorways and tidal-flow systems.
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.
