when driving on snow reduce speed by
You should reduce your speed by 1/3 on wet roads and by 1/2 or more on snow packed roads. If you would normally be traveling at a speed of 60 mph on dry pavement, then on a wet road. you should reduce your speed to 40 mph, and on a snow-packed road you should reduce your. speed to 30 mph. When you come upon slick, icy roads you should drive slowly and cautiously.