W107
At a glance
- Sign code
- W107
- Type
- Warning
- Official meaning
- Warning of a junction ahead where a side road joins your road from the left.
What the Side-road junction ahead sign means
A side road joins from the left ahead. Your road continues straight on, but traffic may enter from or emerge onto the side road on your left.
What you must do
Stay alert and reduce speed if needed; watch for vehicles emerging from or turning into the side road on the left.
Know the mistake this sign turns on
Full access adds the confusion Side-road junction 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 W107 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.