Solar Powered Roadway Lights...
The U.S. Department of Transportation granted $100,000 to the Idaho-based startup Solar... ...The accumulated energy could, hypothetically, be used to light the roadway and provide electricity to c... ...though it would be expensive, covering the entire *strong class="matc...
https://www.neatorama.com/2009/09/07/solar-powered-roadway-lights/
