W. Va. Code § 19-17-3: Hedge fence.

All hedge fences along public roads, or division hedge fences between farms or on any land or premises, shall be kept trimmed so that their branches shall not extend into the public road, or upon the lands of an adjoining owner, more than eighteen inches over the dividing line. For failure to keep the hedge fence so trimmed, after ten days' notice in writing by the county engineer or supervisor of roads, or by parties owning the adjoining land or premises, the owner shall be guilty of a misdemeanor, and, upon conviction thereof, shall be fined not exceeding $1 for each day such fence shall remain untrimmed after the ten days' notice expires.