RESOURCE - Winter Traction

Have you ever wondered why road maintenance contractors spread a mixture of gravel and crushed stone on B.C.'s highways in winter rather than using just sand? At first glance, it would appear that sand would be the better choice as it does not damage windshields the way gravel and crushed stones will. However, it's not that simple, and this TranBC web page explains why.

Link:

• Winter Traction - Why Small Rocks Instead of Sand