warning sign
Side road ahead
Thai road sign ต.14 — Side road ahead. Meaning: This sign warns that a side road joins the road 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.14
Road response
On the road
Driver action
What should you do?
Drivers should reduce speed and watch for vehicles entering or crossing from the side road.
Exam-style scenario
Read the situation
A side road joins from the right while you continue on the main road.
Best response: Continue cautiously on the main road while checking for traffic emerging from the right-side road.
Sign comparison
Don’t confuse it
This sign
Side road ahead
Compare with
Side road ahead on the left
Key difference
The short branch enters from the right side of the main line; the mirrored sign places it on the left.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
