Additional traffic lanes joining from the right ahead. Traffic on the main carriageway has priority over joining traffic
Warning that traffic will join from the right ahead and you have priority. Stay in your lane and maintain your speed – joining traffic must give way to you. This sign is common on motorways and helps prevent last-minute lane changes. In the theory test it tests your understanding of priority at merges.
- Shape
- Rectangular
- Background
- Blue
- Border
- White
- Primary symbol
- Arrow
- Diagram reference
- 874.0
Where you'll see this sign
Motorways.
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.
