Marion County, OR – Drivers across Marion County are being urged to use extra caution today as black ice continues to pose a hidden hazard on roadways, particularly in shaded and elevated areas.
According to Marion County Public Works, black ice can remain long after sunrise, even when air temperatures rise above freezing. While sunlight may melt ice on open stretches of road, shaded areas—such as curves, bridges, overpasses, and tree-lined routes—can stay slick for hours.
Officials explained that pavement warms more slowly than the surrounding air, meaning icy conditions can persist after an overnight freeze. This creates dangerous driving conditions that may not be visible to motorists until it’s too late.
Public Works recommends drivers increase the following distance between vehicles by up to three times the normal amount. If a vehicle begins to feel like it is sliding or floating, drivers should gradually slow down and gently tap the brakes rather than slamming them.
Elevation changes can also drastically impact road conditions. Even short hills or dips may have icy patches, especially in areas that receive little direct sunlight. Drivers are encouraged to watch for visual clues of ice buildup on windshields, side mirrors, road signs, trees, or fences—often a sign that road surfaces may also be icy.
The warning applies throughout Marion County, including the Salem area and nearby rural routes, where shaded roads are more common.
Officials say conditions can change quickly and urge motorists to slow down, stay alert, and allow extra travel time, especially during early morning and evening hours.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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