King CountyFor more information about this layer please see the GIS Data Catalog . Mowable slope is a green slope of grass or vegetation located between the roadway curb (or road surface edge or shoulder) and the boundary (right-of-way line) of a road. It can be operated and maintained by machines or equipment; mower, trimmer, etc.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/4d27f0730a0746b7a5df796cdf27cc7a_0engKing County GIS Open DataPublicMowable Slope maintained by King County Roads Division [Washington (State)--King County]Web servicesWashington (State)--King CountyWashington (State)Last Modified: 2026-01-02