warning sign
Left lane ends ahead
Thai road sign ต.26 — Left lane ends ahead. Meaning: The left lane is ending ahead; drivers in that lane must merge safely into the lane to the right. 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: ป้ายเตือนช่องจราจรปิด
Independent English reference · Source: Department of Highways · Sign ต.26
Road response
On the road
Driver action
What should you do?
The left lane is ending ahead; drivers in that lane must merge safely into the lane to the right.
Exam-style scenario
Read the situation
You are in the left lane when the warning shows that it terminates ahead.
Best response: Signal and merge from the ending left lane only after a safe gap opens in the right lane.
Sign comparison
Don’t confuse it
This sign
Left lane ends ahead
Compare with
Right lane ends ahead
Key difference
The left lane line terminates and must merge right; the mirrored sign shows the right lane ending instead.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
