Test Format

40

Total questions

85%

Passing score

34/40

Min. correct

Multiple choice

Eligibility & Fees

Permit age	14.5
License age	15 (with restrictions) / 17 (full)
Permit fee	$15
License fee	$30
Permit holding period	6 months minimum
Supervised hours	50 hours total (10 at night)

⚠ Memorize this — Idaho-specific

Idaho has the highest passing threshold (85%) — only 6 mistakes allowed of 40 questions.

💡 Pro tip

With 85% passing, aim for 90%+ on practice tests before attempting the real exam. Idaho also has the unique cyclist "Stop as Yield" law.

Top 5 Questions to Know

1. 1. Under Idaho law, how may a bicyclist legally treat a stop sign?

   Answer: They may treat it as a yield sign — slowing, yielding to traffic, and proceeding without stopping if safe.

   Idaho was the first US state (1982) to adopt the "Stop as Yield" rule for bicyclists, often called the "Idaho Stop." A bicyclist approaching a stop sign may treat it as a yield sign, slowing, yielding...

2. 2. What does a NO PASSING ZONE pennant sign indicate?

   Answer: Do not pass other vehicles here

   A no passing zone sign warns that drivers must not pass in that area.

3. 3. What does a DIVIDED HIGHWAY ENDS sign indicate?

   Answer: The divided highway is ending

   A Divided Highway Ends sign warns that opposing traffic will no longer be separated by a median.

4. 4. What does a SHARP CURVE sign indicate?

   Answer: A sharp curve is ahead

   A sharp curve sign warns drivers to reduce speed and prepare for a significant change in road direction.

5. 5. What does this sign indicate?

   Answer: Come to a complete stop

   A stop sign means you must come to a complete stop and proceed only when it is safe.

Top Reasons Drivers Fail the Road Test

• ✗ Rolling stops at stop signs
• ✗ Failing to check blind spots before lane changes
• ✗ Exceeding speed limit (even by 1–2 mph)
• ✗ Not signaling early enough before turns
• ✗ Improper lane changes