只准右转标志
MUTCD R3-5R
此车道车辆必须右转。
标志外观
A white square with a black arrow curving to the right and the word ONLY, telling drivers the required movement for the lane.
什么时候会见到
Posted at intersection approaches over or beside a dedicated turn lane, and often reinforced by an arrow painted on the pavement.
该怎么做
If you are in this lane you must turn right; get into a through lane beforehand if you intend to continue straight.
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)。