What Is Road Salt Made of?

Answer

Road salt is made from crushed rock salt carved out of underground mines. It is brownish in colour and resembles gravel. Road salt is used to melt ice and add traction on the UK's snow-covered byways.
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1 Additional Answer
Believe it or not, road salt is the made from the same salt that is used for cooking and other things. Other chloride- based chemicals may be mixed in to help the salt serve its purpose, however.
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