How long must an Illinois driver age 15-17 hold an instruction permit before applying for a driver's license?
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A.
Six months.
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B.
Two full years.
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C.
Ninety days.
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D.
Nine months. Correct
The answer is "Nine months."
The instruction permit must be held at least nine consecutive months before a driver age 15-17 can be licensed. The two-year option is the trap for readers who scan the same sentence and grab the bigger number: 24 months is the permit's total validity, not the required hold time.
The traps in the wrong answers
A. Six months.
Six months matches the conviction-free driving record required before turning 18, not the permit hold period. This answer swaps in the six-month conviction-free window from the Initial Licensing Phase for the permit-phase timing.
B. Two full years.
Twenty-four months is how long the instruction permit stays valid, not how long you must hold it before being licensed. This answer grabs the largest number in the same sentence, a habit of readers who scan for figures rather than for what each figure names.
C. Ninety days.
Ninety days is the validity term of a Temporary Registration Permit for a vehicle, not the instruction permit hold requirement. This answer pulls the 90-day figure from a different permit type printed later in the manual and drops it onto teen licensing.
This question tests your knowledge of Graduated Licensing in Illinois. Source: Illinois Rules of the Road, "Obtaining an Instruction Permit," p.16..
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