생김새
A yellow diamond warning sign with a black arrow that bends first one way and then the other, showing a reverse turn.
언제 보게 되나요
It appears before two sharp turns in opposite directions that follow closely together, common on winding rural and hillside roads.
무엇을 해야 하나요
Slow down before the first turn and stay at a controlled speed through both bends, keeping to your lane.
출처: 통일 교통 통제 시설 매뉴얼(MUTCD) 제11판 — 미국 연방도로청(FHWA).
