Temporary traffic-control sign
Use detour to the right
Thai road sign ตค.23: Use detour to the right. Meaning: This rectangular orange direction sign is placed at a closure or decision point and directs traffic to use the detour to the right. Catalog status: additional official road-sign reference.
Thai name: ป้ายใช้ทางเบี่ยงขวา
Independent English reference · Source: Department of Highways · Sign ตค.23
Road response
On the road
Driver action
What should you do?
This rectangular orange direction sign is placed at a closure or decision point and directs traffic to use the detour to the right. Slow down and turn right along the marked temporary route.
Exam-style scenario
Read the situation
At the closure decision point, this direction sign sends traffic onto the right-hand detour.
Best response: Turn onto the marked right-hand detour at this decision point rather than continuing into the closure.
Sign comparison
Don’t confuse it
This sign
Use detour to the right
Compare with
Use detour to the left
Key difference
This decision-point arrow directs traffic onto the right detour now; the mirrored sign starts the detour to the left.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
