单行道标志
MUTCD R6-1
车辆只能朝箭头方向行驶。
标志外观
A horizontal black rectangle with the words ONE WAY in white capitals and a white arrow showing the single direction of travel.
什么时候会见到
Posted at intersections and along one-way streets, especially in downtown grids and where divided roadways separate opposing traffic.
该怎么做
You must travel only in the direction the arrow points; do not turn or drive against the marked flow.
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)。