Lane Changes & Merging
Mirror checks, signaling, merging onto highways, and zipper merges.
Lane Changes & Merging rules in Illinois follow the federal framework with state-specific limits, distances, and exceptions. The practice questions below are drawn from the Illinois driver handbook, so they track the state's own rules.
Lane Changes & Merging questions, Illinois edition.
Each question links through to a full explanation, the rule it tests, and a citation back to the manual.
- What is the purpose of the speed-change lane when you enter an expressway? →
- Before you change lanes on an expressway, the manual instructs you to: →
- A MERGE sign appears on an expressway just before an on-ramp. What does the manual say about the expressway driver's role? →
- The manual sets a default rule for driving in the left lane on an interstate or controlled freeway. What is it? →
- On a multilane road, where does the manual require slow vehicles to travel? →
- You watch another driver weave from lane to lane to move faster than the surrounding traffic. What does the manual say about this? →
- You miss your intended exit on an expressway. The manual instructs you to: →
- Two lanes reduce to one ahead of you, and traffic is light with no congestion. What does the manual advise? →
- What kind of signs does the manual say govern merging lanes? →
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