Illinois Driving Permit Practice Test 2025 - Free Driving Permit Practice Questions and Study Guide

Question: 1 / 400

What is considered a safe speed when driving in adverse weather conditions?

The posted speed limit

As fast as the traffic allows

Slower than the posted speed limit

Driving in adverse weather conditions, such as rain, snow, or fog, often requires adjustments to your usual driving speed for safety. Choosing to drive slower than the posted speed limit is considered the safest approach under these circumstances. Adverse weather can reduce visibility, affect traction, and increase stopping distances, meaning that maintaining a lower speed allows better control of the vehicle and a greater reaction time to any unforeseen events.

Although the posted speed limit is set for optimal driving conditions, adverse weather alters those conditions significantly. Driving at or above the speed limit during such times can be dangerous, as it does not account for factors like slick roads or reduced visibility that can lead to accidents. It’s important to assess road conditions and adjust speed accordingly to ensure safety for yourself and others on the road.

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Twice the speed limit if safe

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