Other roadway rules — California Permit Test
Other roadway rules on the California permit test — 9 rules, each with the reason behind it and a question on it while it is fresh.
The rules
You must not smoke when a minor is in the vehicle, and you can be fined for it.
A child in the back seat cannot get out, and the smoke has nowhere to go either.
Not smoke when a minor is in the vehicle. You can be fined.
Dumping or abandoning animals on a highway is a crime punishable by a fine of up to $1,000, six months in jail, or both.
An animal left on a highway walks into traffic, and somebody swerves for it.
Not dump or abandon animals on a highway. This crime is punishable by a fine of up to $1,000, six months in jail, or both.
You must not drive a vehicle so overloaded that you cannot control it, see ahead, or see to the sides.
A load that blocks the mirrors turns every lane change into a guess.
Not drive a vehicle so overloaded that you cannot control it, see ahead, or see to the sides of your vehicle.
You must not carry anything on a passenger vehicle that extends beyond the fenders on the left side, or more than 6 inches beyond the fenders on the right side.
Anything sticking out sweeps the lane beside you at whatever speed you are doing.
Not carry anything in or on a passenger vehicle which extends beyond the fenders on the left side or more than 6-inches beyond the fenders on the right side.
Cargo extending more than 4 feet past the rear bumper must display a 12-inch red or fluorescent orange square flag, and at night must be marked with two red lights.
What sticks out past the bumper is invisible from behind until somebody hits it.
Cargo that extends more than 4 feet from the back-rear bumper of the vehicle must display a 12-inch red or fluorescent orange square flag.
You must not let a person ride in the back of a pickup or other truck unless the vehicle has secure seats and seat belts.
An open bed throws a passenger out at the first hard stop, with nothing to hold them.
Not allow a person to ride in the back of a pickup or other truck unless the vehicle has secure seats and seat (safety) belts.
You must not carry an animal in the back of a pickup or other truck unless the animal is properly secured so it cannot fall, jump or be thrown out.
A dog that jumps out of a moving truck lands in the lane behind you.
Not transport animals in the back of a pickup or other truck unless the animal is properly secured.
You must not drive a vehicle with a video monitor visible to the driver, unless it shows only vehicle information, a navigation system, a media player or a radio.
A screen playing a film takes the driver’s eyes off the road for as long as it is interesting.
Not drive a vehicle equipped with a video monitor visible to the driver,
You must not throw a cigarette, cigar or other flaming or glowing substance from your vehicle.
A cigarette out of the window lands in dry grass at the side of the road.
Not throw a cigarette, cigar, or other flaming or glowing substance from your vehicle.
On the test
What is the rule about smoking in a vehicle with a child in it?
It is against the law, and finable. A child in the back seat cannot get out, and the smoke has nowhere to go either. California Driver’s Handbook, p.52: “Not smoke when a minor is in the vehicle. You can be fined.”
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
- One payment, once — not a subscription. Nothing renews and there is nothing to cancel, for an exam you sit one time.
- Free to start: a 10-question test and the first section of cards. No sign-up and no account.
- Paying opens the rest of the cards, unlimited full-length practice tests, and retests built from exactly the questions you got wrong.
- Every level up to Prepared — 3 tests passed in a row.
- Do the work, fail the real exam, and we refund you.
Where these come from
Every rule here is checked against California Driver’s Handbook, published by the California Department of Motor Vehicles, and against the state code itself. Last checked 2026-09-21.
- src/assets/drivers-manuals/CA.pdf (California Driver’s Handbook, DL 600 ENGLISH (REV. 6/2025), retrieved 2026-09-14; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/CA.pages.txt (the pdftotext -layout fixture every citation here was cut against and verified against; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/SOURCES.json, CA entry — the folio offset of 6 and its basis, the three non-law pages, the two sign gallery pages, and the record of why California’s exam shape is this app’s own
- docs/plans/chosen-exam-shapes.md section 5 — the decision that a state publishing neither exam figure ships 40/32 with both disclosed
- docs/plans/how-to-build-laws.md — the rule that the handbook is the syllabus and nothing enters this file without a page in it