Corners Improved

Polygons representing improved street corners in the City of Portland. Attribute information includes owner, maintainer, material, and other relevant information. Taken together, the improved corners and sidewalk (sidewalk_pdx) datasets represent the City of Porltand's sidewalk network. -- Additional Information: Category: Transportation - Assets Purpose: For mapping and analysis related to the maintenance of improved street corners. Update Frequency: Weekly -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52777本数据集为表征波特兰市（City of Portland）改良街角的多边形矢量要素。其属性字段包含所有者、维护单位、铺装材质及其他相关信息。将本改良街角数据集与人行道（sidewalk_pdx）数据集整合后，即可完整覆盖波特兰市的人行道路网体系。 附加信息： 分类：交通运输-资产 用途：用于开展与改良街角维护相关的制图及分析工作 更新频率：每周一次 元数据链接：https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52777