warning sign
Skewed side road — ahead-left branch
Thai road sign ต.19 — Skewed side road — ahead-left branch. Meaning: Warns of a skewed side-road layout whose branch extends ahead-left, shown in the upper-left of the symbol. 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.19
Road response
On the road
Driver action
What should you do?
Warns of a skewed side-road layout whose branch extends ahead-left, shown in the upper-left of the symbol. Reduce speed before the signed condition and keep enough space to respond safely.
Exam-style scenario
Read the situation
The symbol shows an angled branch extending ahead-left from the main line.
Best response: Slow before the junction and watch the ahead-left branch for vehicles turning across or joining your path.
Sign comparison
Don’t confuse it
This sign
Skewed side road — ahead-left branch
Compare with
Skewed side road — ahead-right branch
Key difference
Its branch extends ahead-left from the main line; the companion reverse layout extends ahead-right.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
