Illinois · Class D written exam

Free Illinois written-exam practice, with sources.

Practice school-bus configurations, Scott's Law, distracted driving, school zones, signal distance, right-of-way, BAC rules, bicycle clearance, parking, winter skids, and lane use.

Start 10-question diagnostic Open Illinois Rules of the Road

Agency: Illinois Secretary of State
Official guide: Rules of the Road
Question count: 35 questions
Minimum correct: 28 of 35 (80%)
Practice pool: 45 reviewed Illinois + shared questions
Reviewed: August 1, 2026

Illinois exam answer

How many answers does Illinois require?

Illinois's Class D written exam is commonly administered as 35 questions, with at least 28 correct answers required for an 80% score. This independent practice uses the July 2026 Rules of the Road for original, source-linked explanations, adaptive review, and exam-style sessions; it is not an official test.

Sample question · no JavaScript needed

Under Illinois Scott's Law, what should you do near a stopped emergency or warning-light vehicle?

Change lanes away when safe and reduce speed
Maintain speed in the nearest lane
Stop beside the vehicle

Answer: A. Create a buffer with a safe lane change and reduce speed for the roadside condition.

Illinois · Rules of the Road · Chapter 4 — Scott's Law · July 2026 · reviewed 2026-08-01

Choose a practice mode

Practice Illinois rules with the proven five-mode loop.

Use diagnostics, adaptive review, mixed practice, delayed-feedback exam style, or the hardest set.

Illinois coverage

Scott's Law, school buses, phones, and winter control.

The reviewed set includes the four-lane school-bus exception, electronic-device age rule, 20 mph active school zones, 100/200-foot signal distinction, headlights with wipers, three-foot bicycle passing, and zero tolerance.