Street Right of Way Polygons

Street right of way polygons are public spaces along the DC managed street segments. A database provided by DDOT identified ROW locations from authoritative source documentation including DDOT surface maps, ROW distribution cards, Subdivision Books in the DC Surveyor's Office, Survey Books, King Plats, Record Books, Street Extension Maps, County Maps, AT Map Books, Wall Books and Wall Reports.道路通行权多边形（Street right of way polygons）为华盛顿哥伦比亚特区（District of Columbia，简称DC）所辖路段沿线的公共空间。由华盛顿特区交通运输部（District Department of Transportation，简称DDOT）提供的数据库，通过权威来源文档确定了道路通行权（Right of Way，简称ROW）的位置范围，这些权威来源包括DDOT路面地图、道路通行权分布卡片、华盛顿特区测绘办公室的细分簿、测绘簿、金氏地籍图（King Plats）、登记册、街道拓展地图、县级地图、AT地图册（AT Map Books）、挂图册（Wall Books）及挂图报告（Wall Reports）。