Test Format

35

Total questions

80%

Passing score

28/35

Min. correct

Multiple choice

Eligibility & Fees

Permit age	14
License age	16 (intermediate) / 17 (full)
Permit fee	$6
License fee	$4 per year (5-year minimum)
Permit holding period	6 months minimum
Supervised hours	20 hours total (2 at night)

⚠ Memorize this — Iowa-specific

Slow-moving vehicle (SMV) triangle required for any vehicle on public roads at 35 mph or less.

💡 Pro tip

Iowa's Intermediate License (age 16) has nighttime and passenger restrictions tested on the exam.

Top 5 Questions to Know

1. 1. Under Iowa law, what vehicles are required to display a slow-moving vehicle (SMV) triangle?

   Answer: Any vehicle operating on public roads at 35 mph or less.

   Iowa requires the orange reflective Slow-Moving Vehicle (SMV) triangle to be displayed on the rear of any vehicle using public roads and traveling 35 mph or less. This includes tractors, horse-drawn v...

2. 2. What does a lane-use control sign indicate?

   Answer: They show allowed movements from the lane

   Lane-use control signs show which movements are allowed from a particular lane.

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 LOW CLEARANCE sign indicate?

   Answer: Bridge height is limited ahead

   A Low Clearance sign warns tall vehicles that the space ahead may be too low.

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