反向急转弯标志
MUTCD W1-3R
前方有先一向后又反向的急转弯,请减速。
标志外观
A yellow diamond warning sign with a black arrow that bends first one way and then the other, showing a reverse turn.
什么时候会见到
It appears before two sharp turns in opposite directions that follow closely together, common on winding rural and hillside roads.
该怎么做
Slow down before the first turn and stay at a controlled speed through both bends, keeping to your lane.
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)。