Iowa CDL practice test: 408 free practice questions (Based on the official driver handbook). The official format is not yet verified; check the official site before your test. Parking & Stopping Rules: 6 questions. Updated
Where you may park, distances from hydrants and crossings, hill parking and disabled permits.
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This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.
Official handbook
Not yet verifiedState CDL manual (based on the AAMVA model manual) link not yet collected
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Questions (6)
1. When completing a driver's side parallel parking maneuver, you should:
Pull forward directly into the parking space.
Back up past the parking space, then pull forward into it.
Pull forward past the parking space, then back into it. ✓
Answer: C. Pull forward past the parking space, then back into it.
Pull forward past the parking space, then back into it. The handbook's backing rules say to start in the proper position, back toward the driver's side whenever possible, and choose parking that lets you pull forward when you leave. Passing the space first and then backing in sets up that start position, keeps the maneuver on the driver's side, and leaves you able to drive out forward later instead of reversing into traffic. Backing is described as always dangerous because you cannot see everything behind you, so the aim is to get the backing done on your terms and keep it out of your exit.
2. When you must travel down a hill, when should you switch into a lower gear?
As you begin to move downward
As you go downhill and pick up speed
Before you start going downhill ✓
Answer: C. Before you start going downhill
You should switch into a lower gear before you start going downhill. The handbook says to shift to a low gear before starting down the grade. It warns not to wait until your speed has built up, because then you may not be able to downshift; you might not get back into any gear and lose engine braking. It also says to slow down and choose a gear low enough to control the vehicle without hard braking, so the brakes do not overheat and fade. That makes preparing before the downhill start the safe choice.
3. If your brakes fail while you are traveling downhill and there is no available escape ramp, you should:
Keep pumping the brakes.
Turn the vehicle off.
Drive into an open field. ✓
Answer: C. Drive into an open field.
You should drive into an open field. The handbook says an escape ramp is the best option, but when no ramp is available you should choose the escape route that is least dangerous, such as a field or a side road that levels off or goes uphill. It also says to make that move as soon as you know the brakes do not work, because waiting lets the vehicle speed up and makes stopping harder. Steering into an open field matches that guidance.
So that it can be pulled forward to leave the space. ✓
On the grass.
Answer: B. So that it can be pulled forward to leave the space.
A truck should be parked so that it can be pulled forward to leave the space. The handbook says backing is always dangerous because you cannot see everything behind the vehicle, so you should avoid it when possible. Its parking guidance follows from that: when you park, try to set up the vehicle so you can pull forward when you leave. That matches the choice about leaving the space by pulling forward. It does not mean you must never back, only that parking to avoid a backing exit is preferred.
6. If convicted of any traffic violations, excluding parking violations, you must:
Notify your employer within 30 days. ✓
Place a sign on the back of your vehicle noting the conviction.
Forfeit your CDL for six months.
Answer: A. Notify your employer within 30 days.
You must notify your employer within 30 days of the conviction for any traffic violation other than parking. The handbook lists this under other CDL rules that apply in every state: after a conviction for any traffic violation except parking, you have 30 days to tell your employer. It applies no matter what type of vehicle you were driving when the violation happened. The same section adds a separate 30-day duty to notify your motor vehicle licensing agency if the conviction came from another jurisdiction, again excluding parking.