West Virginia Code Chapter 17. Roads and Highways § 17-4-24a. Guardrail construction

Beginning the first day of July, one thousand nine hundred eighty-eight, any guardrail placed or replaced in new or existing locations on the state road system must be constructed using wooden posts unless use of another material would reduce the costs of such construction or reconstruction: Provided, That when guardrails are damaged, materials of a like kind may be used.