Right lane closed in work zone
The right lane is closed ahead in a road-work zone. Reduce speed and merge left before the closure.
Verified as Thai road sign ตค.เตือนปิดช่องจราจร from Department of Rural Roads sign series on 2026-05-15.
Study guide
Connect this sign to practice
Right lane closed in work zone is a hazard cue, not a rule. On the Thai exam that distinction matters. Run a few questions to see how the scenario gets framed: which way to slow, who has priority, and what the next sign is likely to be.
Now see it in questions.
Spotting Right lane closed in work zone in isolation is one thing. Recognising it inside a real exam-style question, among lookalikes and trick wording, is another. The diagnostic mixes it in for you.
