1991 Federal Aid Primary (FAP)

The 1991 Federal Aid Primary (FAP) dataset was compiled on July 28, 2016 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The Federal Aid Primary system came into existence on June 1, 1991. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/15301111991年版联邦援助干线（Federal Aid Primary, FAP）数据集于2016年7月28日基于美国联邦公路管理局（Federal Highway Administration, FHWA）的相关数据汇编完成，属于美国运输部（U.S. Department of Transportation, USDOT）下属美国运输统计局（Bureau of Transportation Statistics, BTS）管理的国家交通地图集数据库（National Transportation Atlas Database, NTAD）的组成部分。联邦援助干线系统于1991年6月1日正式设立。用户可通过链接https://doi.org/10.21949/1530111获取该数据集的数据字典或其他属性信息来源。