Large arrow left marker
A large black-and-yellow arrow marker warns of a sharp change of direction to the left. Follow the arrow and reduce speed.
Verified as Thai road sign ต.68 from Department of Rural Roads sign series on 2026-05-15.
Study guide
Connect this sign to practice
Most candidates can describe Large arrow left marker. The Thai exam tests whether you can pick it out of a roadside scene under time pressure and choose the right response. Practising it inside the question flow is what closes that gap.
Now see it in questions.
Spotting Large arrow left marker 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.
