Hình dạng
A yellow diamond warning sign with a black arrow curving gradually to indicate a bend in the road ahead.
Khi nào bạn gặp
You meet it before a gentle curve on highways and connector roads, often with an advisory speed plaque showing a safe speed.
Bạn phải làm gì
Reduce your speed as you approach and adjust steering to follow the curve without drifting out of your lane.
Nguồn: Sổ tay Thiết bị Kiểm soát Giao thông Thống nhất (MUTCD), ấn bản 11 — FHWA.
