warning sign
Y-junction ahead
Thai road sign ต.12 — Y-junction ahead. Meaning: A Y-shaped junction is 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.12
Road response
On the road
Driver action
What should you do?
Reduce speed before the fork and choose the correct branch without a late change of direction.
Exam-style scenario
Read the situation
The road divides into two angled branches and there is no straight continuation through the centre.
Best response: Reduce speed, identify the correct angled branch early, and avoid changing direction at the last moment.
Sign comparison
Don’t confuse it
This sign
Y-junction ahead
Compare with
Crossroads ahead
Key difference
A Y-junction divides into two angled branches with no central straight route; a crossroads continues ahead and adds left and right approaches.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
