생김새
A yellow diamond warning sign with a black symbol of a road pinching inward to show a bridge narrower than the road ahead.
언제 보게 되나요
You encounter it before a bridge whose width is less than the approaching roadway, common on older rural crossings.
무엇을 해야 하나요
Slow down, keep to your lane, and proceed with caution, watching for oncoming vehicles on the narrow bridge.
출처: 통일 교통 통제 시설 매뉴얼(MUTCD) 제11판 — 미국 연방도로청(FHWA).
