prohibition sign
No entry
Thai road sign บ.5 — No entry. Meaning: A solid red disc with a horizontal white bar. 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: ป้ายห้ามเข้า
Independent English reference · Source: Department of Highways · Sign บ.5
Road response
On the road
Driver action
What should you do?
Vehicles are prohibited from entering the road or section beyond this sign.
Exam-style scenario
Read the situation
Your navigation suggests a street whose entrance displays this sign facing you.
Best response: Do not enter the signed street; continue to a route that approaches it from a permitted direction.
Sign comparison
Don’t confuse it
This sign
No entry
Compare with
One-way straight ahead
Key difference
No entry faces traffic that must not enter at all; the blue one-way arrow identifies the permitted direction for traffic using the road.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
