"Business district" means the territory contiguous to and including a street or highway when within any 600 feet along such highway there are buildings in use for business or industrial purposes, including but not limited to hotels, banks or office buildings, railroad stations, and public buildings which occupy at least 300 feet of frontage on one side or 300 feet collectively on both sides of the street or highway.
(W. Va. Code § 17C-1-45)