prohibition sign
No motorcycles or 3-wheeled motor vehicles
Thai road sign บ.26 — No motorcycles or 3-wheeled motor vehicles. Meaning: Motorcycles and three-wheeled motor vehicles are prohibited from entering or travelling on the road ahead. 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: ป้ายห้ามรถจักรยานยนต์และรถยนต์สามล้อ
Independent English reference · Source: Department of Highways · Sign บ.26
Road response
On the road
Driver action
What should you do?
Motorcycles and three-wheeled motor vehicles are prohibited from entering or travelling on the road ahead. Drivers of such vehicles must not pass this sign.
Exam-style scenario
Read the situation
You approach on a motorcycle while a car continues through the entrance beyond this sign.
Best response: Do not follow the car through; motorcycles are one of the two vehicle classes excluded here.
Sign comparison
Don’t confuse it
This sign
No motorcycles or 3-wheeled motor vehicles
Compare with
No motorcycles
Key difference
Two vehicle symbols extend the ban to motorcycles and motorised three-wheelers; the single-symbol sign covers motorcycles alone.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
