Cities Are Cutting the Salt from their Winter Road Diets


Brining roads before a snowstorm makes clearing roads easier and reducing the amount of salt runoff into the surrounding environment. In cities like Lake George, NY, and Cambridge, MA, municipal departments of transportation are replacing road salt with a brine mixture. The brines contain a mixture of water, salt, and carbohydrate to lower the freezing point of water, encouraging bottom-up melting as opposed to top-down application. In Montana, a mixture using sand is used and recycled each season.

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