Traffic Islands and Circles
收藏资源简介:
Polygons representing traffic islands and circles in the City of Portland. This dataset contains seven island types (IslandType): - channelization island (3310), - median barrier (3320), - median island (3330), - pedestrian refuge island (3340), - traffic circle (3350), - truck trap (3360), - traffic separator (3370). -- Additional Information: Category: Transportation - Assets Purpose: Inventory of traffic islands in Portland. Update Frequency: As needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52786
本数据集以多边形要素表征美国波特兰市的交通岛与环形交通设施。该数据集包含7类交通岛类型(IslandType),具体包括: - 导流岛(channelization island,3310) - 中央分隔护栏(median barrier,3320) - 中央分隔岛(median island,3330) - 行人安全岛(pedestrian refuge island,3340) - 环形交叉口(traffic circle,3350) - 货车导流岛(truck trap,3360) - 交通分隔设施(traffic separator,3370) -- 附加信息: 分类:交通设施资产 用途:波特兰市交通岛普查建档 更新频率:按需更新 元数据链接:https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52786



