WVC 17 C- 13 A- 8
§17C-13A-8. Permanent idling restriction signs.
An owner or operator of a location where vehicles subject to
this article load or unload, or a location that provides fifteen or
more parking spaces for vehicles subject to this article shall
erect and maintain a permanent sign to inform drivers that idling
is restricted in this state pursuant to the provisions of section
three, article thirteen-a, chapter seventeen-c of this code.