prohibition sign
Checkpoint stop
Thai road sign บ.31 — Checkpoint stop. Meaning: Drivers must stop at the checkpoint or inspection point indicated by this sign and proceed only when allowed. 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: ป้ายหยุดตรวจ
Independent English reference · Source: Department of Highways · Sign บ.31
Road response
On the road
Driver action
What should you do?
Drivers must stop at the checkpoint or inspection point indicated by this sign and proceed only when allowed.
Exam-style scenario
Read the situation
An inspection checkpoint is ahead and the lane appears clear, but this sign controls every arriving vehicle.
Best response: Stop at the inspection point even though the lane looks clear, then wait for permission to continue.
Sign comparison
Don’t confuse it
This sign
Checkpoint stop
Compare with
Stop
Key difference
The Thai checkpoint panel requires a stop for inspection at the indicated control point; the octagonal Stop sign controls priority at a road junction or stop line.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
