Electronic devices in the nature of electronic sensors attached to impact attenuators, guardrails, cable barriers, light posts, high-mast light poles, overhead sign trusses, signage, digital signage, and bridge structures for use in monitoring and detecting location and crash impact status

Electronic devices in the nature of electronic sensors attached to impact attenuators, guardrails, cable barriers, light posts, high-mast light poles, overhead sign trusses, signage, digital signage, and bridge structures for use in monitoring and detecting location and crash impact status