What is a common misconception about traction on sanded roads?

The idea that sand can sink into the snow-pack highlights the complexity of driving conditions on sanded roads. When sand is applied to a snow-packed surface, it may not always sit on top as one might expect. Instead, if the snow is particularly dense or wet, the sand can become embedded within the snow, potentially reducing its effectiveness as a traction enhancer. This situation creates an unpredictable driving surface where the combination of sand and snow may not lead to the expected level of grip, which can lead to misunderstandings about the safety of traveling on such roads.

In contrast, while some people might believe that good traction is guaranteed on all sanded roads, this is not necessarily true due to the variances in road conditions and how the sand interacts with existing snow or ice. Other misunderstandings include the notions that sanded roads are always dry or are completely free of ice, both of which overlook the reality that weather conditions can change rapidly, leaving patches of icy surfaces even on roads that have recently been treated with sand. Understanding these nuances helps drivers make better decisions when navigating varying road conditions.