Sidewalks

Polygons representing sidewalks in the City of Portland. Attribute information includes the owner, maintainer, ID, material, ramp style, and other characteristics. -- Additional Information: Category: Transportation - Assets Purpose: For mapping and maintenance of sidewalks in Portland. Update Frequency: Weekly -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52484本数据集包含表征波特兰市人行道的多边形地理要素。其附带的属性信息涵盖所有者、维护方、要素ID、铺装材质、坡道样式及其他相关特征。附加信息：分类为交通资产（Transportation - Assets），用途为服务波特兰市人行道的测绘与维护工作，更新频率为每周。元数据链接：https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52484