Stop
An eight-sided red sign with the word STOP. A driver reaching it shall come to a complete stop at the stop line and may proceed only after stopping fully and yielding to any vehicle or pedestrian with priority. Section 22(2) of the Land Traffic Act treats it identically to a red light signal for the duty to stop.
Verified as Thai road sign บ.1 from Thai Department of Land Transport sign series on 2026-05-15.
Study guide
Connect this sign to practice
Prohibition signs like Stop carry instant fines on the road and trick wording on the exam. Questions test where the rule starts, where it ends, and which adjacent signs cancel it. Practising it in the question flow keeps those edges fresh.
Now see it in questions.
Spotting Stop 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.
