prohibition sign
No motorcycles
Thai road sign บ.16 — No motorcycles. Meaning: Motorcycles 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: ป้ายห้ามรถจักรยานยนต์
Independent English reference · Source: Department of Highways · Sign บ.16
Road response
On the road
Driver action
What should you do?
Motorcycles are prohibited from entering or travelling on the road ahead. Drivers of motorcycles must not pass this sign and should seek an alternative route.
Exam-style scenario
Read the situation
You are riding a motorcycle and encounter this sign at the start of the next road section.
Best response: Do not ride beyond this sign; turn onto a route where motorcycles are permitted.
Sign comparison
Don’t confuse it
This sign
No motorcycles
Compare with
No motorcycles or 3-wheeled motor vehicles
Key difference
A single motorcycle symbol excludes motorcycles only; the combined sign also shows and excludes motorised three-wheelers.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
