warning sign
Winding road ahead, first to the left
Thai road sign ต.9 — Winding road ahead, first to the left. Meaning: The road ahead winds through several curves, beginning to the left. 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: ป้ายเตือนทางคดเคี้ยว
Independent English reference · Source: Department of Highways · Sign ต.9
Road response
On the road
Driver action
What should you do?
Reduce speed and stay alert for repeated changes of direction.
Exam-style scenario
Read the situation
A winding section begins with a left bend and continues through several changes of direction.
Best response: Reduce speed before the first left bend and stay alert for several further direction changes.
Sign comparison
Don’t confuse it
This sign
Winding road ahead, first to the left
Compare with
Winding road ahead
Key difference
The winding symbol first moves left, which identifies the opening bend; the companion starts its repeated bends to the right.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
