NOAA's National Weather Service Weather Forecast Office

• Freezing drizzle which coats roads with a sheet of thin ice.
• Ice storms which coat roads with ice 1/4 inch thick, or more.
• Dense fog that lowers visibility down to zero in spots.
• Blowing/drifting snow that lowers visibilities and hampers snowplows.
• Extreme cold with nighttime temperatures of 25 to 50 below.
• Low wind chill temperatures that fall to 50 to 75 below zero.
• Snowstorms that dump heavy snow amounts in excess of 6 inches.
• Winter storms that combine heavy snow and stronger winds.
• Killer blizzards that can blind or trap motorists and pedestrians in seconds.

Vehicle accidents that result in deaths or injuries can have a significant impact on local communities and their economy.

• Catch the latest weather forecast for your travel route from NOAA Weather Radio, commercial TV/radio, or cable TV.
• If inclement weather is forecast, postpone or cancel your trip.
• If you must travel, allow for plenty of extra time to reach your destination.
• Drive with a full tank of fuel.
• Make sure you have an emergency kit in your vehicle that includes safety aids and dry food.
• Drive slower during bad weather and don't take any chances.
• Keep your headlights on during periods of poor visibility.
• Inform a family member or friend about your travel plans.
• If you become stranded... stay with your vehicle, open a window a crack, intermittently run the engine and heater, contact someone on a cell telephone if you have one, and tie a red flag on your radio antenna.