Which action is appropriate when road conditions worsen on a highway?

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Adjust your speed to road conditions. When highway conditions worsen, slowing down helps you keep control and stop safely. Wet, icy, or snow-covered pavement and reduced visibility mean you have less traction and less time to react, so reducing speed gives you more stopping distance and a better chance to avoid a skid or collision. Slower speeds also create more room between you and the vehicle ahead, which is crucial when conditions are slippery. The other actions—trying to maintain flow by speeding up, tailgating, or ignoring posted signs—ignore the hazards and drastically raise the risk of an accident and potential legal consequences.