Guardrails

Lines representing protective guardrails in Portland. The types of guardrails include concrete barriers, post cables, flex beams, and rock barriers. The attribute information includes asset ownership, maintenance information, and details about the type of barriers and hazard that they are guarding against. -- Additional Information: Category: Transportation - Assets Purpose: For mapping and analysis of guardrails in Portland. Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52783

本数据集以线条要素表征波特兰（Portland）市的防护护栏。护栏类型包括混凝土护栏（concrete barriers）、缆索护栏（post cables）、柔性梁护栏（flex beams）与岩石护栏（rock barriers）。其属性信息涵盖资产权属、运维详情，以及护栏类型与所防护的风险类型相关细节。 -- 附加信息：分类：交通设施资产 用途：用于波特兰市护栏的制图与分析 更新频率：按需更新 -- 元数据链接：https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52783