Illinois · Traffic Laws · Question 2 of 8
Headlights must be turned on:
- A. Only between midnight and 5 a.m.
- B. From sunset to sunrise and whenever visibility is reduced Correct answer
- C. Only during heavy rain
- D. Only on highways with no streetlights
Why this is the right answer
Most state laws require headlights from sunset to sunrise and any time you cannot clearly see persons or vehicles 1,000 feet ahead, including in rain, fog, snow, or smoke.
How this question shows up on the Illinois permit test
Questions in the traffic laws category are common on the Illinois learner permit exam. The exam tests your knowledge of the Illinois Driver Handbook, and topics like this one show up in multiple forms: sometimes as a direct rule, sometimes as a real-world scenario, and sometimes as a "which of the following is NOT correct" question, which trips up readers who skim. Read every choice carefully and watch for the words "always," "never," and "only."
If you missed this question, do not just memorize the answer — re-read the explanation and try to put the rule in your own words. Study research consistently shows that explaining a rule out loud locks it in much better than rereading the same text.
For a deeper walkthrough of traffic laws on the permit test, read our complete guide to Traffic Laws.