Large truck no zones — Iowa Permit Test
Large truck no zones on the Iowa permit test — 2 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Large trucks have blind spots, called no-zones, around the front, back and sides of the truck.
A truck driver sits high up and cannot see a car tucked close to the cab or the trailer. Staying out of those spots keeps you from being hit by a truck that never saw you.
Large trucks have blind spots, or “no-zones,” around the front, back, and sides of the vehicle.
If you cannot see the truck driver in the truck's mirror, the truck driver cannot see you.
The mirror works both ways. When you can't spot the driver's face in it, you are hidden from the driver and should move to where you show up.
If you can’t see the truck driver in the truck’s mirror, the truck driver can’t see you.
On the test
Where are a large truck's blind spots, or no-zones?
Around the front, back and sides. A truck driver sits high up and cannot see a car tucked close to the cab or the trailer. Staying out of those spots keeps you from being hit by a truck that never saw you. Iowa Driver's License Manual, p.57: “Large trucks have blind spots, or “no-zones,” around the front, back, and sides of the vehicle.”
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 Iowa Driver's License Manual, published by the Iowa Department of Transportation, and against the state code itself. Last checked 2026-10-04.
- src/assets/drivers-manuals/IA.pdf (Iowa Driver's License Manual, edition M1170 07/23/2026, Iowa Department of Transportation, retrieved 2026-09-14; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/IA.pages.txt (the plain pdftotext fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- https://iowadot.gov/drivers-licenses-ids/driver-education/manuals-practice-tests/drivers-manual
- https://iowadot.gov/drivers-licenses-ids/driver-education/online-permit-test-skip-trip (read 2026-10-04; states no count or mark)
- https://iowadot.gov/drivers-licenses-ids/get-or-renew-drivers-licenses-ids-permits/under-18-permit-license-or-id/instruction-permit-under-age-18 (read 2026-10-04; states no count or mark)
- https://iowadot.gov/drivers-licenses-ids/driver-education/manuals-practice-tests/take-practice-test (read 2026-10-04; its 25 questions and 80% describe the practice test and are not used)
- https://www.legis.iowa.gov/docs/iac/chapter/761.604.pdf (IAC 10/1/25; 761-604.9(1): "will declare the minimum passing score for each test")
- docs/plans/iowa-exam-shape.md (every official source checked for the exam's shape, and what each gave)