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

'attach':9 'attenu':12 'barrier':15 'bridg':30 'cabl':14 'crash':40 'detect':37 'devic':2 'digit':27 'electron':1,7 'guardrail':13 'high':19 'high-mast':18 'impact':11,41 'light':16,21 'locat':38 'mast':20 'monitor':35 'natur':5 'overhead':23 'pole':22 'post':17 'sensor':8 'sign':24 'signag':26,28 'status':42 'structur':31 'truss':25 'use':33

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