Tag Archive: winter

Pre-treating road surfaces during winter is a proactive measure taken to enhance road safety and minimize disruptions caused by snow and ice. This process typically involves the application of anti-icing agents such as brine, a solution of salt and water, before snowfall or freezing conditions occur. By spreading these substances in advance, a barrier is created between the pavement and the impending frost, preventing ice from bonding to the road. This approach significantly reduces the risk of accidents, as vehicles can maintain better traction, even in cold weather. Additionally, pre-treatment helps reduce the need for extensive plowing and de-icing after a storm, making it both cost-effective and time-efficient for road maintenance teams.

The effectiveness of pre-treated road surfaces relies heavily on precise timing and accurate weather forecasts. If applied too early, the chemicals can be washed away by rain, rendering them ineffective. Conversely, delayed application might allow ice to form, defeating the purpose. Pre-treatment is particularly beneficial on highways, bridges, and steep inclines where icy conditions can be especially hazardous. Environmental concerns, such as the impact of de-icing chemicals on water supplies and vegetation, have also led to innovations in the development of eco-friendlier alternatives. Overall, pre-treating roads is a critical component of winter road safety strategies, combining science, technology, and strategic planning to keep transportation systems running smoothly during harsh weather.

Sodium Chloride brine (saltwater) is the most widely used chemical treatment due to its effectiveness and cost-efficiency. Calcium Chloride works at lower temperatures than sodium chloride. Magnesium Chloride is another option for extremely cold conditions. And sand or grit are used in areas where chemicals aren’t effective or where added traction is needed on already icy roads.