warning sign
Right lane closed in work zone
Thai road sign ตค.เตือนปิดช่องจราจร — Right lane closed in work zone. Meaning: The right lane is closed ahead in a road-work zone. Catalog status: additional official road-sign reference.
Thai name: ป้ายเตือนช่องจราจรปิด
Independent English reference · Source: Department of Highways · Sign ตค.เตือนปิดช่องจราจร
Road response
On the road
Driver action
What should you do?
Reduce speed and merge left before the closure.
Exam-style scenario
Read the situation
The right lane is blocked by a work area and the closure starts beyond this warning.
Best response: Signal and merge left before the right-lane closure, using a safe gap in the open lane.
Sign comparison
Don’t confuse it
This sign
Right lane closed in work zone
Compare with
Right lane merges left
Key difference
The closure panel warns that the right lane is blocked; the merge diagram shows that lane tapering into the left lane.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
