Question: do they salt the roads in washington state

Answer: No, The term Salt Belt refers to states, in the United States, in which large quantities of salt are applied to roads during the winter season to control snow and ice. States in the salt belt include Alaska, Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, South Dakota, Vermont, Virginia, West Virginia, Wisconsin, and Washington DC. Other states such as Colorado and Utah are also considered part of the Salt Belt but use less corrosive substances.