The Glue That Holds Our Roads Together Could Become Toxic When Exposed to Sun And Rain – ScienceAlert

We might have a problem with our roads: researchers have discovered that sunlight and rain might be able to turn certain compounds in asphalt into a potentially dangerous hydrocarbons, threating the surrounding environment and people using these routes.
In particular, it’s the binder (also called asphalt cement) that’s the problem. This heavy, black glue is used to stick stones, sand, and gravel together in paved roads. It’s made from leftover crude oil at the very end of its distillation proce…

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