TxDOT National Highway System
收藏Geoportal-mpo2025-09-01 更新2026-06-08 收录
下载链接：
https://geoportal-mpo.opendata.arcgis.com/datasets/TXDOT::txdot-national-highway-system
下载链接
链接失效反馈官方服务：
资源简介：
The National Highway System (NHS) consists of roadways important to the nation's economy, defense, and mobility (Interstates, Other Principal Arterials, Strategic Highway Network, Major Strategic Highway Network Connectors, and Intermodal Connectors). This statewide NHS dataset is maintained by the Transportation Planning and Programming Division per Federal Highway Administration requirements, and to serve as a base layer for TxDOT's cartographic products. Update Frequency: 1 Years Source: Geospatial Roadway Inventory Database (GRID) Security Level: Public Owned by TxDOT: True Related Links Data Dictionary PDF [Generated 2025/04/24]
创建时间：
2016-04-13
