prohibition sign
Length limit (10 metres)
Thai road sign บ.36 — Length limit (10 metres). Meaning: Vehicles whose total length exceeds 10 metres must not proceed beyond this sign. 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: ป้ายจำกัดความยาว
Independent English reference · Source: Department of Highways · Sign บ.36
Road response
On the road
Driver action
What should you do?
Vehicles whose total length exceeds 10 metres must not proceed beyond this sign.
Exam-style scenario
Read the situation
A vehicle-and-trailer combination measures 12 metres from front to rear at a 10-metre restriction.
Best response: Do not take the 12-metre coupled vehicle beyond the 10-metre restriction.
Sign comparison
Don’t confuse it
This sign
Length limit (10 metres)
Compare with
Weight limit (10 tonnes)
Key difference
The horizontal vehicle-length symbol measures 10 metres from front to rear; the weight sign's 10 refers to tonnes, not length.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
