When you cannot see any farther than 100 feet ahead due to rain, snow, smoke, fog or blowing dust, you cannot safely drive faster than:
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20 MPH.
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40 MPH.
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30 MPH.
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Explanation
In adverse weather conditions like rain, snow, smoke, fog, or blowing dust, visibility is significantly reduced, making it unsafe to drive at higher speeds. At speeds exceeding 30 MPH in these conditions, drivers may struggle to see obstacles or hazards ahead, increasing the risk of accidents due to reduced reaction time and limited visibility.
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