Deer collisions — South Dakota Permit Test
Deer collisions on the South Dakota permit test — 5 rules, each with the reason behind it and a question on it while it is fresh.
The rules
Be especially alert for deer in October and November, the months with the most car/deer crashes.
In the fall deer cross roads far more often, and a deer through the windshield can kill.
Be especially alert for deer in October and November, the months with the highest number of car/deer crashes.
Deer are most active at dusk and dawn, so be especially alert at these times.
In the half-light at sunrise and sunset a deer on the shoulder is hard to see until it jumps.
Deer are most active in the dusk and dawn hours, so be especially alert while driving during these times.
Scan the roadsides for headlights reflecting in deer eyes; if you see one, slow down, blow the horn, and be ready to stop.
A driver who keeps full speed past glowing eyes has no room left when the deer leaps out.
If you see such a reflection on the side of the road, slow down.
Always watch for more than one deer.
Drivers who miss the first deer often hit the second one following close behind it.
Always watch for more than one deer.
Deer may cross anywhere and at any time; they sometimes wander into towns or even cities.
A driver who drops their guard inside town limits can meet a deer on a city street.
Deer may cross anywhere and at any time.
On the test
In which months should South Dakota drivers be most alert for deer?
October and November. In the fall deer cross roads far more often, and a deer through the windshield can kill. South Dakota Driver License Manual, p.50: “Be especially alert for deer in October and November, the months with the highest number of car/deer crashes.”
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.
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Where these come from
Every rule here is checked against South Dakota Driver License Manual, published by the South Dakota Department of Public Safety, and against the state code itself. Last checked 2026-10-04.
- src/assets/drivers-manuals/SD.pdf (South Dakota Driver License Manual, Revised 11/2024, South Dakota Department of Public Safety, retrieved 2026-09-14 and re-checked 2026-10-04; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/SD.pages.txt (pdftotext -layout, the fixture every citation here was cut from and verified against; sha256 pinned in SOURCES.json)
- src/assets/drivers-manuals/SD-exam.html (South Dakota Department of Public Safety, South Dakota Driver License Testing Information, KB0043731, read 2026-10-04; states the 80% rate; sha256 pinned under examSource)
- https://www.sd.gov/dps?id=cs_kb_article_view&sysparm_article=KB0043733 (read 2026-10-04; links the manual)