4,600 gallons of anti-icing applied to Portland roads

Temperatures this week are forecasted to hit freezing in some areas

Trevor Ault and KOIN 6 News Staff - PORTLAND, Ore. (KOIN) --- Overnight Monday, officials applied 4,600 gallons of anti-icing to Portland roads, specifically on some of the more slippery roads across the city.

The Portland Bureau of Transportation said they use magnesium chloride liquid to pre-treat the roads and prevent icy conditions. They mainly focused on locations that freeze early like bridges over the Willamette River and high elevation streets like West Burnside, Skyline and Sam Jackson.

Temperatures this week are forecasted to hit freezing in some areas, prompting the city to take action to prevent hazardous conditions.

The anti-icing is magnesium chloride. It's the same liquid officials use after ice or snow has formed, a process called de-icing.

"When we have dry weather like this, we can apply our liquid anti-icer to the roads, and it can stay there for several days -- as long as a week even if conditions are dry," PBOT's Dylan Rivera said.

Last year was the first time the city tested out salt on the roads. They acquired it from Seattle and applied it after some particularly severe weather.

Portland already has salt on hand, but they're not using it just yet. According to PBOT, they'll only place salt on the roads if there are already reports of ice and snow. Precipitation still has to be falling as well for salt to be used.

The magnesium chloride works well when conditions are dry, but it does wash away in rain or sleet.

PBOT hopes now that salt is available, it will help keep roads in as good of shape as they can be in any weather.


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