Speed Bump maintained by King County Roads Division

For more information about this layer please see the GIS Data Catalog. An asphalt-concrete bump placed across the roadway, to enforce a posted speed limit on vehicles traveling along the roadway.如需了解该图层的更多信息，请参阅地理信息系统（GIS）数据目录。本数据集包含设置于车行道上的沥青混凝土减速带，用于强制执行沿该道路行驶车辆的限速规定。