What Is the Weight of a Traffic Light?

What Is the Weight of a Traffic Light?Traffic signals made of polycarbonate, a composite plastic, range in weight from 15 to 30 pounds, depending on their size. Cast aluminium traffic signals are a little heavier, weighing between 30 and 50 pounds.

Lights with an 8-inch lens diameter normally weigh 15 pounds, while those with a 12-inch lens diameter often weigh around 30 pounds. Polycarbonate traffic signals typically employ lightweight plastic lenses and aluminium reflectors to minimise weight. The smaller, lighter traffic signals are around 30 inches tall, while the larger ones are about 42 inches tall.

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Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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