How brine solution keeps roads clear of ice

Globe Staff photo/Barry Chin
- Read the story Low-salt diet has some roads getting greener
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.