Getting some traction.

Traction is one of the most important things to remember when operating any kind of motor vehicle. Without it, your vehicle will not function as it is supposed to.

These common things are some of the biggest contributors and detractors of traction.

TIRES: Tires are designed with grooved surfaces called treads. These are designed to channel water, snow, etc. through the grooves and keep the rubber in contact with the road. Different tread patterns are intended for special uses such as snow tires.

Tire inflation is also very important. As shown in the diagram, properly inflated tires produce the largest “footprint” with the pavement; therefore giving the best traction. (Under inflation causes wear, overheating and may result in a blowout.)

As the tire wears the rubber tread thins and eventually becomes smooth (bald tire). The traction is produced when the treads are in good condition.

THE ROAD SURFACE: The best traction is available on smooth dry pavement. Any variation and the friction factor diminish accordingly. Refer to the chart, the starting point is a friction factor of 1; excellent tires stopped on a perfectly smooth surface.

SPEED: The speed at which you drive also decreases traction. As speed increases, distortions in the tire shape reduce the surface area touching the pavement. The increased air flow under the vehicle as your speed rises tends to reduce the pressure exerted by the weight of the vehicle on the tires.

Both of these factors cause a decrease in traction as the speed of your vehicle increases.