前方匝道信号灯标志
MUTCD W3-7
前方有匝道信号灯(逐辆放行车辆汇入高速公路的信号灯);在进入匝道上准备停车与起步。
标志外观
A yellow diamond warning sign with a black legend indicating a ramp meter — a signal controlling how vehicles enter the freeway — ahead.
什么时候会见到
You see it on freeway entrance ramps in busier areas where a metered signal releases vehicles onto the freeway one at a time.
该怎么做
Be ready to stop at the ramp signal and then proceed onto the freeway when the light turns green, one vehicle per green.
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)。