National Tunnel Inventory
收藏US Department of Transportation Open Data Portal2025-09-05 更新2026-03-28 收录
下载链接：
https://data-usdot.opendata.arcgis.com/maps/77879ddb06eb49d4a4a57298177bcd87
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资源简介：
Data in the NTI is used to meet legislative reporting requirements and provide tunnel owners, the Federal Highway Administration (FHWA) and the general public with information on the number and condition of the Nation’s tunnels.
创建时间：
2024-07-09
