禁止左转标志
MUTCD R3-2
此处禁止左转。
标志外观
A white square with a black left-turn arrow inside a red circle crossed by a red slash, indicating the movement is prohibited.
什么时候会见到
Posted at intersections and driveways where a left turn would be unsafe or would conflict with heavy oncoming or cross traffic.
该怎么做
You must not turn left at this location; continue straight or choose a permitted movement instead.
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)。