Hình dạng
A yellow diamond warning sign with a black symbol showing two lanes narrowing into one to indicate that a lane ends ahead.
Khi nào bạn gặp
You meet it where the number of lanes is reduced, such as after construction zones or where a highway narrows.
Bạn phải làm gì
Merge safely into the continuing lane before the lane ends, adjusting your speed to blend with traffic.
Nguồn: Sổ tay Thiết bị Kiểm soát Giao thông Thống nhất (MUTCD), ấn bản 11 — FHWA.
