Chatham County - Overpasses

Point feature class designating highway overpasses utilized by Chatham County 9-1-1 for the purposes of identifying landmarks in emergency response situations. The data is maintained by the Chatham County GIS Department utilizing publicly available NCDOT data. The data was added to the Chatham County GIS SDE database in April 2018. Chatham GIS SOP: "MAPSERV-75"本数据集为点要素类（point feature class），用于标注查塔姆县911紧急救援中心在应急响应场景中用于识别地标的公路立交桥。本数据集由查塔姆县地理信息系统（GIS）部门依托公开可用的北卡罗来纳州交通局（NCDOT）数据进行维护。该数据集于2018年4月被导入查塔姆县地理信息系统空间数据引擎（SDE）数据库。查塔姆县地理信息系统标准作业程序（SOP）："MAPSERV-75"