Safer roads begin with safer materials. For paving projects using asphalt chip seal, lightweight aggregate made from expanded shale, clay or slate (ESCS) has a greater bond strength and skid ...

Editor’s note: This article, distributed by The Associated Press, was originally published on The Conversation website. The Conversation is an independent and nonprofit source of news, analysis and ...

A sealant without an aggregate is like an apple pie without cheese. It’s doable, but the end result could be a lot better with the add-on. Yes, the analogy is a stretch but adding an aggregate to the ...

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Add Yahoo as a preferred source to see more of our stories on Google. Pavers push the asphalt down during road construction. Pramote Polyamate/Moment via Getty Images While on the road, you’re ...