In the modern era of stressed out drivers, many motorists opt to drive about five to ten miles over the speed limit on a regular basis. These drivers seem to think that pushing the speed limit like this makes their lives better.
Colorado roads become icy at different times of the year, and depending on a road's altitude, may be slick year-round. Recently, early snows resulted in crashes around Colorado. The roads were unusually icy for early October, which led to several serious collisions.