Virginia Code Title 24.2. Elections § 24.2-305. Composition of election districts and precincts

A. Each election district and precinct shall be composed of compact and contiguous territory and shall have clearly defined and clearly observable boundaries.

B. A “clearly observable boundary” shall include (i) any named road or street, (ii) any road or highway which is a part of the federal, primary, or secondary state highway system, (iii) any river, stream, or drainage feature shown as a polygon boundary on the TIGER/line files of the United States Bureau of the Census, or (iv) any other natural or constructed or erected permanent physical feature which is shown on an official map issued by the Virginia Department of Transportation, on a United States Geological Survey topographical map, or as a polygon boundary on the TIGER/line files of the United States Bureau of the Census.  No property line or subdivision boundary shall be deemed to be a clearly observable boundary unless it is marked by a permanent physical feature that is shown on an official map issued by the Virginia Department of Transportation, on a United States Geological Survey topographical map, or as a polygon boundary on the TIGER/line files of the United States Bureau of the Census.