Road Salt (IMAGE) Cary Institute of Ecosystem Studies Caption Road salt pile in Boston, MA. Throughout the Northeast, road salt is used to deice winter roads. Credit Allison Cekala Usage Restrictions May be used to promote the PR License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.