Sight distance rule — Montana Permit Test
Sight distance rule on the Montana permit test — 2 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Montana's "Four Second Sight Distance Rule": pick a stationary object as far ahead as you can clearly see and count; if you reach it before you finish "four-one-thousand," slow down.
A driver going faster than they can see ahead meets the hazard before there is time to stop.
If you reach the object before you finish saying “four-one-thousand,” you need to slow down.
You can also use the Four Second Sight Distance Rule at night to make sure you are not "over driving" your headlights.
A driver who outruns the headlights sees the deer only after passing the point where a stop was possible.
You can also use the “Four Second Sight Distance Rule” at night to make sure you are not “over driving” your headlights.
On the test
Under the sight distance rule, how many seconds of road ahead should you be able to see?
4 seconds. A driver going faster than they can see ahead meets the hazard before there is time to stop. Montana Driver Manual, p.64: “If you reach the object before you finish saying “four-one-thousand,” you need to slow down.”
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 Montana Driver Manual, published by the Montana Department of Justice, and against the state code itself. Last checked 2026-10-04.
- src/assets/drivers-manuals/MT.pdf (Montana Driver Manual, Revised April 2024, Montana Department of Justice, Motor Vehicle Division, retrieved 2026-09-14 and re-checked 2026-10-04; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/MT.pages.txt (scripts/mt-text.sh: pdftotext -layout except printed pp.24-26, which are plain; the fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/MT-exam.html (Administrative Rules of Montana 23.3.121, Road Signs and Road Rules, as reproduced by the Legal Information Institute, read 2026-10-04; states the seven-miss pass mark; sha256 pinned under examSource)
- https://mvdmt.gov/forms-driver-license/ (read 2026-10-04; links the manual)