생김새
A yellow diamond warning sign with a black symbol indicating a bridge wide enough for only one vehicle at a time.
언제 보게 되나요
It appears before a single-lane bridge on narrow rural roads where only one direction of traffic can cross at once.
무엇을 해야 하나요
Slow down and yield to any vehicle already on or first to reach the bridge; cross only when the way is clear.
출처: 통일 교통 통제 시설 매뉴얼(MUTCD) 제11판 — 미국 연방도로청(FHWA).
