靠右行驶标志
MUTCD R4-7
在前方分隔带或障碍物的右侧通过。
标志外观
A white square with a black arrow angled to show traffic should pass to the right of an obstruction or median ahead.
什么时候会见到
Posted at the approach to a median, traffic island, toll booth, or other divider where drivers must pass on the right side.
该怎么做
You must keep to the right of the median or obstruction ahead rather than passing on the left.
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)。