GREENWOOD VILLAGE, Colo. (CBS4)– The Colorado Department of Transportation has added another tool to its arsenal to fight slick and icy roads this winter– salt brine.

CDOT says it’s a preventative measure so it’s placed on the roads before a storm hits. The brine includes three all-natural ingredients, salt, water and an anti-corrosion additive.

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(credit: CBS)

(credit: CBS)

The salt CDOT uses comes from Salt Lake in Utah through an evaporation process.

Magnesium chloride (credit: CBS)

A demonstration of the new salt CDOT is using (credit: CBS)

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CDOT says it’s not getting rid of the old method, magnesium chloride, just using the salt as an additional tool to be used before a storm. Magnesium chloride will be used when the temperature drops to below 20 degrees.

(credit: CBS)

(credit: CBS)

The salt mixture is cheaper than other methods and will help prevent flash freezing often seen during the evening commute.

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“Brine has more surface area and it breaks the snowpack. So what we’re doing now is being more proactive and more aggressive,” said CDOT spokesman John Lorme.