W117
At a glance
- Sign code
- W117
- Type
- Warning
- Official meaning
- Warning that the dual roadway ends ahead and the road becomes a single carriageway with two-way traffic.
What the Dual-carriageway ends ahead sign means
The divided road ahead ends; the two separate carriageways merge back into a single road carrying traffic in both directions.
What you must do
Slow down, keep left, do not overtake near the merge, and be ready for oncoming traffic again.
Know the mistake this sign turns on
Full access adds the confusion Dual-carriageway ends ahead is most often mistaken for and the hint for the test, on this sign and every other one — plus practice questions and timed mock papers. The practice sample and the readiness test are free.
See the free practice testSources
- Road Traffic Signs chart, National Department of TransportThe official chart. Sign W117 was checked against it, artwork and meaning, before being published here.
- National Road Traffic Regulations, 2000 — Schedule 1Where the prescribed meaning of each road traffic sign is set out.
Last updated 2026-08-23.