warning sign
Skewed side road ahead on the left
Thai road sign ต.17 — Skewed side road ahead on the left. Meaning: A side road joins the main road from the left at an angle ahead. 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: ป้ายเตือนทางแยกรูปแบบต่าง ๆ
Independent English reference · Source: Department of Highways · Sign ต.17
Road response
On the road
Driver action
What should you do?
Slow down and watch for turning or merging traffic.
Exam-style scenario
Read the situation
An oblique side road joins from behind your left shoulder rather than at a right angle.
Best response: Slow and check over the left approach carefully because the oblique angle can hide entering traffic.
Sign comparison
Don’t confuse it
This sign
Skewed side road ahead on the left
Compare with
Skewed side road ahead
Key difference
The oblique branch meets from the left; the mirrored skewed-side-road symbol places the angled approach on the right.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
