Curb maintained by King County Roads Division

Curb is a concrete border forming part of a gutter along the edge of the street. An extruded curb is a concrete border used to direct the flow of traffic.路缘石（curb）是沿街道边缘构成排水沟一部分的混凝土挡边。挤压式路缘石（extruded curb）是一种用于引导交通流的混凝土挡边。