Hình dạng
A yellow diamond warning sign with a black symbol of a road pinching inward to show a bridge narrower than the road ahead.
Khi nào bạn gặp
You encounter it before a bridge whose width is less than the approaching roadway, common on older rural crossings.
Bạn phải làm gì
Slow down, keep to your lane, and proceed with caution, watching for oncoming vehicles on the narrow bridge.
Nguồn: Sổ tay Thiết bị Kiểm soát Giao thông Thống nhất (MUTCD), ấn bản 11 — FHWA.
