Freeway restrictions and high occupancy lanes — Arizona Permit Test

Freeway restrictions and high occupancy lanes on the Arizona permit test — 6 rules, each with the reason behind it and a question on it while it is fresh.

The rules

You may not drive a vehicle carrying fewer than two persons, including the driver, in an HOV lane at the posted times Monday through Friday.

The lane is kept for shared rides so it keeps moving. A lone driver in it at rush hour can be fined.

You may not drive a vehicle carrying fewer than two persons, including the driver, in an HOV lane at the posted times Monday through Friday.
Arizona Driver License Manual and Customer Service Guide, p.33

HOV lanes are marked by white diamonds in the roadway.

Missing the diamonds means you may drive into a lane you are not allowed to use at that time of day.

HOV lanes are indicated by white diamonds in the roadway as seen here.
Arizona Driver License Manual and Customer Service Guide, p.33

At the posted times, HOV lanes are restricted to car pool vehicles, motorcycles or buses.

Only those vehicles may use the lane during its hours. Anyone else in it is breaking the law.

At those times, the HOV lanes are restricted to car pool vehicles, motorcycle or buses.
Arizona Driver License Manual and Customer Service Guide, p.33

Always signal and use caution when merging across the solid white line into and out of the HOV lane.

Traffic in the HOV lane is often moving much faster or slower than the lane beside it, so a sudden move is dangerous.

Always signal and use caution when merging across the solid white line into and out of the HOV lane.
Arizona Driver License Manual and Customer Service Guide, p.33

On the freeway, do not drive over or across any median or divided highway separation.

Crossing the median puts you head-on with traffic on the other side, or across the path of cars at full speed.

Drive over or across any median or divided highway separation.
Arizona Driver License Manual and Customer Service Guide, p.33

Do not drive onto the freeway except at an on-ramp.

Getting on anywhere else puts your car into fast traffic with no merge lane and no warning for other drivers.

Drive onto the freeway, except at an on-ramp.
Arizona Driver License Manual and Customer Service Guide, p.33

On the test

At the posted times, how many people must be in a car to use an HOV lane?

At least 2, counting the driver. The lane is kept for shared rides so it keeps moving. A lone driver in it at rush hour can be fined. Arizona Driver License Manual and Customer Service Guide, p.33: “You may not drive a vehicle carrying fewer than two persons, including the driver, in an HOV lane at the posted times Monday through Friday.”

How this works

Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.

You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.

Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.

What it costs

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Where these come from

Every rule here is checked against Arizona Driver License Manual and Customer Service Guide, published by the Arizona Department of Transportation, and against the state code itself. Last checked 2026-09-28.