Sharp reverse curve ahead, first to the right
The road ahead has sharp reverse curves, beginning with a sharp curve to the right. Slow down early and keep to the lane.
Verified as Thai road sign ต.8 from Department of Rural Roads sign series on 2026-05-15.
Study guide
Connect this sign to practice
Sharp reverse curve ahead, first to the right sits in a cluster of warning signs that look uncomfortably similar. The Thai exam exploits that overlap. Reviewing it next to its visual neighbours in the question flow keeps the differences sharp on test day.
Now see it in questions.
Spotting Sharp reverse curve ahead, first to the right 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.
