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Statements

Subject Item
dbr:List_of_solar-powered_products
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dbr:Solar_road_stud
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dbr:Solar_road_stud
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yago:Code106355894 yago:WikicatApplicationsOfPhotovoltaics yago:Indication106797169 yago:Software106566077 yago:Evidence106643408 yago:Writing106359877 yago:CodingSystem106353757 dbo:AnatomicalStructure yago:WrittenCommunication106349220 yago:Application106570110 yago:Communication100033020 yago:WikicatTrafficSigns yago:Program106568978 yago:Sign106646243 yago:Clue106643763 yago:Abstraction100002137
rdfs:label
Solar road stud
rdfs:comment
Solar road studs are flashing solar cell powered LED low-maintenance lighting devices that delineate road edges and centrelines. Embedded in the road surface, they are an electronic improvement on the traditional cat's eyes and raised pavement marker in that they may give drivers a larger reaction window.
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1122500563
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dbr:Retroreflectors dbr:Solar_Roadways dbc:Traffic_signs dbr:LED dbr:Photoswitch dbr:Polycarbonates dbr:Cat's_eye_(road) dbc:Road_construction dbr:Solar_cell dbr:Raised_pavement_marker dbr:Smart_highways dbr:Engineering_plastic dbc:Applications_of_photovoltaics n20:Solar_road_stud.jpg
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n7:Solar_road_stud.jpg?width=300
dbo:abstract
Solar road studs are flashing solar cell powered LED low-maintenance lighting devices that delineate road edges and centrelines. Embedded in the road surface, they are an electronic improvement on the traditional cat's eyes and raised pavement marker in that they may give drivers a larger reaction window. Averaging about 100 mm square or 100 mm diameter and about 40 mm thick, units are extremely robust to avoid damage by passing vehicles, and are normally constructed of engineering plastics and polycarbonates. Use of solar road studs reduces the necessity of headlight main beams and the accompanying hazard of dazzling oncoming drivers. They are also more visible in rain and fog conditions where the old type retroreflectors and road markings are problematic. The solar cells charge batteries or capacitors during sunlit hours, over which period the flashing LEDs are turned off by a photoswitch. The price of each road stud is 1000-1500 per piece.
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