Curve ahead
This sign warns the driver that a curve is approaching. Reduce speed before reaching the curve and keep the vehicle under control throughout. Driving too fast into a curve is a common cause of accidents on Thai roads.
Verified as Thai road sign ต.2 from Thai Department of Land Transport sign series on 2026-05-15.
Study guide
Connect this sign to practice
Curve ahead 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 Curve ahead 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.
