warning sign
Advisory speed warning — 30 km/h
Thai road sign ต.76 — Advisory speed warning — 30 km/h. Meaning: This yellow warning panel gives an advisory speed of 30 km/h for the condition or location ahead. Catalog status: additional official road-sign reference.
Thai name: ป้ายเตือนลดความเร็ว
Independent English reference · Source: Department of Rural Roads · Sign ต.76
Road response
On the road
Driver action
What should you do?
This yellow warning panel gives an advisory speed of 30 km/h for the condition or location ahead. Reduce speed before the signed condition and keep enough space to respond safely.
Exam-style scenario
Read the situation
A 30 km/h advisory warning appears before a difficult bend, while no new red-ring limit sign is shown.
Best response: Reduce toward the advised 30 km/h before the difficult bend even though the panel is not a red-ring limit.
Sign comparison
Don’t confuse it
This sign
Advisory speed warning — 30 km/h
Compare with
Speed limit (30 km/h)
Key difference
The yellow 30 is an advisory speed for a hazard ahead; the red-ring 30 is a regulatory maximum.
Put sign knowledge into practice.
Answer exam-style questions about road signs, traffic lights, and lane markings in clear English.
