If you are not accustomed to spending hours per day in your car, it can be difficult to determine how quickly you should aim to reach your destination.

In Las Vegas, roads are particularly slick at the beginning of the storm. That is because they are built without a drainage layer. Dust, oil and grime collect on the surface of the road. When it rains and these mix with water, the dirt settles to the bottom and the oil rises to the top, creating a very slick surface.