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Crime & Safety

CHP: Beware Dangerous 'Black Ice' on Roadways

Tips during this cold snap: If ice is forming on your vehicle's exterior mirrors or windows, then it's cold enough for water to freeze on the roadway, which can cause your car to lose control. Read on.

 

Temperatures overnight in the Bay Area are predicted to be freezing again.  With that comes the potential for “Black Ice,” the California Highway Patrol warns. 

The CHP is distributing the following information about driving during potential black ice conditions:

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It is very hard to detect black ice. During hours of darkness, it’s almost impossible. That’s why the best approach is to be prepared and attentive to signs around you.  Knowing outside temperatures or having a gauge in your vehicle is important so that you are aware when it is reaching below freezing temperatures: 32 degrees Fahrenheit or zero degrees Celsius.

  • If freezing conditions exist, ice will begin forming on your side mirrors. If frozen water is forming on your vehicle’s exterior mirrors or windows, then it's cold enough for water to freeze on the roadway. 
  • Even if the roadway does not have the moisture to form ice in freezing temperatures, there can be patches of frozen surfaces. Slow down and take care on bridges, overpasses, and shady roadways. If the roadway appears wet; however, there is no spray coming from the vehicles’ tires around you be aware.  This could be extremely dangerous. You may be driving on ice.
  • When driving on ice, ensure your lights and windows are clean (especially your windshield).  Drive with your lights on so you are more visible. Use low gears especially on hills to keep traction.  Drive slowly and don’t use cruise control.  Allow plenty of room in front of you and behind you in order to stop, and for other vehicles to stop without hitting you. 
  • If you begin to slide, remain totally calm. Let off the accelerator, but DO NOT hit the brakes.  DO NOT make any sudden movements regarding steering input. Slow down as much as you can and remain aware of your surroundings (if vehicles behind you are following too closely, you could be rear-ended).  Try to find a safe location to stop and park your vehicle. Try not to stop on the roadway, including the shoulder. The shoulder of the road can be extremely dangerous!

 

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