How brine solution keeps roads clear of ice

The solution is then pumped into Boston Public Works trucks where it is held until workers can spray it onto the roads as a pre-treatment before snowstorms. It settles into tiny crevices on roadways, creating a layer that prevents the ice and snow from bonding with the pavement. Here is Scott Alther, the General Foreman of the Central Fleet, filling up the truck with the solution.
Globe Staff photo/Barry Chin

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The solution is then pumped into Boston Public Works trucks where it is held until workers can spray it onto the roads as a pre-treatment before snowstorms. It settles into tiny crevices on roadways, creating a layer that prevents the ice and snow from bonding with the pavement. Here is Scott Alther, the General Foreman of the Central Fleet, filling up the truck with the solution.