warning sign
Curve ahead
Thai road sign ต.2 — Curve ahead. Meaning: This sign warns the driver that a curve is approaching. Learner-manual coverage: this identity is shown in the current DLT car-driver learner manual. Inclusion does not mean it appears in every theory test.
Thai name: ป้ายเตือนทางโค้ง
Independent English reference · Source: Department of Highways · Sign ต.2
Road response
On the road
Driver action
What should you do?
This sign warns the driver that a curve is approaching. Reduce speed before reaching the curve and keep the vehicle under control throughout.
Exam-style scenario
Read the situation
You are approaching a right-hand bend that cannot yet be seen beyond the warning sign.
Best response: Reduce speed before the unseen right-hand bend and maintain a stable lane position through it.
Sign comparison
Don’t confuse it
This sign
Curve ahead
Compare with
Left curve ahead
Key difference
The curve symbol bends right, identifying the direction of the next bend; the mirrored companion bends left.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
