Are Maricopa’s roadside rock cages safer than a traditional guardrail? By Brian Petersheim Jr., Reporter - Jul 28, 2023 558 FacebookTwitterPinterestEmail You cannot vote again. Are Maricopa's roadside rock cages safer than a traditional guardrail? Wait, they have a purpose? 48.61% Yes, they prevent head-on collisions. 41.04% No, they cause more injuries. 10.36%