Making a right-hand turn at a red light is allowed in much of the U.S., but that is not the case in most of the world. The practice gained widespread acceptance in the U.S. as a way to save fuel during oil embargoes of the 1970s.

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Why Are Roads Made of Asphalt?

When you think of a long stretch of road, you probably imagine a black thoroughfare fading into the distance. Asphalt is a ubiquitous material for road construction, and that’s because it is usually the most economical option. Not only is asphalt generally cheaper than concrete, but asphalt