Engineers develop inexpensive, smart stop sign to improve driver safety

According to the US Department of Transportation, more than half of all roadway fatalities occur on rural roads. Now engineers are building and testing a low-cost, self-powered thermal system that will detect vehicles, improve the visibility of stop signs and prevent early deaths.

from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2019/03/190306081654.htm

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