(Portland, Ore) -- Oregon State Police are asking for the public's help in finding a highway sign vandal. Police say someone cut down nine road signs along US 97, OR 218, and OR 293 sometime between December 15th and 20th. The signs were found discarded on Highway 293 near milepost 3. Officials say the costs of repairing the broken signs will costs around five-hundred-dollars a per sign. Anyone with any information is asked to call Oregon State Police.