Traction is _____________ between the tires and the road.
A. Friction
B. Connection
C. What steers you
Answer: A. Friction
According to publicsafety.utah.gov guidelines, traction is what steer’s or brakes the vehicle. In fact, traction is friction between the tires and the road.
This friction calls for different driving procedures for different road surfaces, whether wet, icy, dry, rough, or other type of road situations.
If the road is slippery, it takes longer for your vehicle to stop. Slippery roads also allow for more skidding and wet roads can actually double your stopping distance. To drive safely on slippery and wet roads, reduce your speed by one third and by half or more on packed snow roads. Icy roads need drivers to slow down to a crawl to stop driving as soon as it is safe.
To identify a slippery surface, look for the signs. There will be shaded areas on the road. Some areas that have melted along with the icy areas create dangerous areas as well. Bridges under freezing temperatures are icy before the roads on solid ground are.
Wet ice is more dangerous than dry ice. It is slippery and the traction from the road to the tire is much less.
A good way to tell if the road is icy is by checking to see if your truck and trailer has ice on it. If there is ice on your front mirror, mirror support, or antenna, chances are that there is ice on the road.
In rain, at the beginning of a rainstorm, it is more slippery also. The rain mixes with build up of oil on the road and it creates a slippery situation. As the rain continues, it washes off the oil, and it becomes safer, but still not as safe as a dry road.
You can the material used for this question here : http://publicsafety.utah.gov/dld/documents/2010CDLDRIVERMANUAL-Draft.pdf
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