窄桥标志
MUTCD W5-2
前方桥面比道路窄,小心通行。
标志外观
A yellow diamond warning sign with a black symbol of a road pinching inward to show a bridge narrower than the road ahead.
什么时候会见到
You encounter it before a bridge whose width is less than the approaching roadway, common on older rural crossings.
该怎么做
Slow down, keep to your lane, and proceed with caution, watching for oncoming vehicles on the narrow bridge.
相关标志
来源:《统一交通控制设施手册》(MUTCD)第 11 版 — 美国联邦公路管理局(FHWA)。