Illinois Safe Driving practice test
Practice following distance, weather, night driving and sharing the road, with questions based on the Illinois Rules of the Road.
Sample Safe Driving questions
An angry driver is shouting at you in traffic. What does the Illinois handbook advise?
Shout back so they stop Don't engage or make eye contact Get out and talk it over Brake hard to teach them a lesson Show the answer
Don't engage or make eye contact
Keep your doors locked and windows up, and leave enough room ahead to pull out from behind the vehicle in front.
Source: Illinois Rules of the Road (2026), Chapter 11, Safe Driving Tips: Aggressive Driving (p. 89)
No bicyclists are around. May you drop off a passenger in an Illinois bike lane?
Yes, outside rush hours Yes, for under one minute Yes, with your flashers on No, not even with no bicyclists present Show the answer
No, not even with no bicyclists present
Vehicles may not drive, park, idle or pick up and drop off passengers in these lanes.
Source: Illinois Rules of the Road (2026), Chapter 5, Sharing the Road: Bicycles (p. 42)
Illinois law requires headlights in the daytime in which situation?
When carrying passengers When driving on any interstate When driving over 55 mph When conditions require windshield wipers Show the answer
When conditions require windshield wipers
Rain, snow, fog or other conditions that need wipers also call for headlights.
Source: Illinois Rules of the Road (2026), Chapter 12, Equipment For Safe Driving: Required Equipment (p. 92); Chapter 11, Safe Driving Tips: Rain (p. 85)
A disabled vehicle with hazard lights is ahead on a four-lane Illinois highway, and you can't safely change lanes. What should you do?
Stop in your lane behind it Slow down until you are well past it Drive around it on the far shoulder Keep your speed and pass quickly Show the answer
Slow down until you are well past it
The law asks you to change lanes away from it when safe. If that isn't safe, reduce speed.
Source: Illinois Rules of the Road (2026), Chapter 5, Sharing the Road: Disabled Vehicles (p. 45)
How far before a turn must you start signaling outside Illinois business and residential areas?
At least 100 feet At least 200 feet At least 50 feet At least 1,000 feet Show the answer
At least 200 feet
Illinois requires more warning on these roads than the 100 feet required in business and residential areas.
Source: Illinois Rules of the Road (2026), Chapter 4, Traffic Laws: Signaling (p. 30)
How far before a turn must you start signaling in an Illinois business or residential area?
At least 100 feet At least 25 feet At least 500 feet At least 50 feet Show the answer
At least 100 feet
The signal must be continuous for at least 100 feet there. Outside those areas it must be at least 200 feet.
Source: Illinois Rules of the Road (2026), Chapter 4, Traffic Laws: Signaling (p. 30)
What should you do with cruise control in fog, according to the Illinois handbook?
Set it to a low speed Turn it on only with fog lights Use it to keep a steady speed Turn it off and leave more following distance Show the answer
Turn it off and leave more following distance
Slow down as well. In very dense fog, leave the road and stop.
Source: Illinois Rules of the Road (2026), Chapter 11, Safe Driving Tips: Fog (p. 84); Rain (p. 85)
Under what age must a child in Illinois ride in an appropriate child restraint system?
Under 12 Under 8 Under 14 Under 16 Show the answer
Under 8
The law covers every child under 8. A booster seat counts, and it needs a lap and shoulder belt.
Source: Illinois Rules of the Road (2026), Chapter 4, Traffic Laws: Child Passenger Protection Act (p. 23-24)
A load extends 5 feet past the rear of your vehicle during the day in Illinois. How must it be marked?
No marking is needed in daylight With a yellow reflector With a white flag With a red flag Show the answer
With a red flag
Loads extending 4 feet or more need a red flag by day. At night or in poor visibility, a red light must be visible for 500 feet.
Source: Illinois Rules of the Road (2026), Chapter 12, Equipment For Safe Driving: Restricted Equipment (p. 93)
You are passing a horseback rider on an Illinois road. What should you avoid?
Slowing down Passing with caution Sounding your horn Being ready to stop Show the answer
Sounding your horn
A horn can frighten a horse and cause a crash. Be ready to stop when you meet or pass a rider.
Source: Illinois Rules of the Road (2026), Chapter 5, Sharing the Road: Horseback Riders (p. 47)
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About these questions
We wrote these practice questions from the facts in the Illinois Rules of the Road (2026 (DSD A 112.47, printed July 2026) edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.
DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the Illinois Secretary of State, and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.
