No motorcycles or 3-wheeled motor vehicles

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. Foreign riders should note that this restriction applies regardless of engine size or vehicle registration country.

Verified as Thai road sign บ.26 from Thai Department of Land Transport sign series on 2026-05-15.

Study guide

Connect this sign to practice

No motorcycles or 3-wheeled motor vehicles is one of the prohibition signs candidates lose marks on. Not because the symbol is unfamiliar, but because the question reframes the scenario. Practising it in the flow surfaces those reframings before test day.

Now see it in questions.

Spotting No motorcycles or 3-wheeled motor vehicles in isolation is one thing. Recognising it inside a real exam-style question, among lookalikes and trick wording, is another. The diagnostic mixes it in for you.

Mascot holding a blank circular road sign with a red border.