Bus lane on road at junction ahead sign: what it means
This sign warns that the road you are about to turn into at the junction ahead has a bus lane. The arrow shows which way the bus lane runs.
What does the bus lane at junction ahead sign mean?
Know your traffic signs lists it as “bus lane on road at junction ahead”. It tells you before you turn, so you can choose the right lane and look out for buses.
Quick quiz
What does the sign at the top of this page mean?
- A lane for buses, and any vehicles shown.
- The road you turn into has a bus lane.
- Buses come towards you in their own lane.
Show answer
B. The road you turn into has a bus lane. It warns of a bus lane on the road at the junction ahead (Know your traffic signs). Source: Know your traffic signs: bus and cycle signs and road markings, GOV.UK; The Highway Code, rule 141, GOV.UK; Traffic sign images, Department for Transport, GOV.UK
Where will you see it?
On side roads and at junctions leading onto a main road with a bus lane.
What should you do?
Plan your turn so that you end up in a lane you may use. Check for buses and cycles in the bus lane before you turn, and follow the bus lane’s times and vehicles (Rule 141).
What do people get wrong?
Turning straight into the bus lane because it is the nearest lane. Turn into the next lane you are allowed to use, when it is safe.
Common questions
Does this sign mean I must not turn?
No. It warns that the road you are turning into has a bus lane, so you can plan where to go.
How do I know when the bus lane is in operation?
From the signs at the start of the bus lane. Where no times are shown, it operates at all times (Know your traffic signs).
Compare with
Bus lane signA lane for buses, and any vehicles shown.
Contraflow bus lane signBuses come towards you in their own lane.
Want to test someone else? Play a road-sign quiz with friends and family.
Sources
Checked on 3 November 2026 against Know your traffic signs (bus and cycle signs and road markings) and The Highway Code rule 141.
- Know your traffic signs: bus and cycle signs and road markings, GOV.UK
- The Highway Code, rule 141, GOV.UK
- Traffic sign images, Department for Transport, GOV.UK
Contains public sector information licensed under the Open Government Licence v3.0. Traffic sign images are Crown copyright, from the Department for Transport. Sources and image credits.