交通部发布国家交通地图数据库秋季更新 汇集全国公路铁路水运地理数据
美国交通部交通统计局（BTS）10月23日发布国家交通地图数据库（NTAD）秋季更新。
国家交通地图数据库汇集全美公路、铁路、水运与多式联运设施的地理空间数据，由交通统计局维护更新，供联邦与地方政府部门、研究机构及公众查询使用，是美国交通规划与研究的基础数据之一。
本次秋季更新纳入了最新一轮各州与相关机构上报的数据修订。具体数据内容与下载方式见交通统计局官方公布。
来源：GSM·美国
Transportation Department Releases Fall Update of the National Transportation Atlas Database
The Bureau of Transportation Statistics (BTS) of the U.S. Department of Transportation released the fall update of the National Transportation Atlas Database (NTAD) on October 23.
The NTAD compiles geospatial data on the nation's highway, rail, waterway and intermodal transportation facilities. Maintained by the BTS, it is used by federal and local agencies, researchers and the public, and serves as foundational data for transportation planning and research in the United States.
The fall update incorporates the latest round of data revisions submitted by states and partner agencies. Details and downloads are available from the Bureau of Transportation Statistics.
Source: GSM · USA
来源：GSM·美国（原文链接）
图片来源：美国州际公路立交航拍（资料图）（图：Wikimedia Commons，公共领域）
