Montana Wildlife and Winter Driving: Deer, Elk, Livestock and Icy Roads
How do I avoid hitting a deer in Montana, and how should I drive on snow and ice?
Look for animals most of all at sunrise and sunset. When you see one, slow down and expect more, because deer and elk travel in herds. If there is no time to stop, do not swerve sharply. On winter roads, the Montana Driver Manual says to slow about 10 mph on a wet road, cut your speed in half on packed snow and slow to a crawl on ice.
Where these Montana driving tips come from
The animal, snow and ice tips come from the Montana Driver Manual (May 2026 file) of the Montana Motor Vehicle Division (MVD). The reasonable-speed rule comes from Montana Code Annotated 61-8-303. The speed numbers in the manual are advice, not legal limits. This guide is current as of 2026. Confirm the rules with the Montana Motor Vehicle Division (mvdmt.gov) before you drive.
How do you avoid hitting a deer or elk in Montana?
Animals can appear in the road suddenly, and you cannot always predict when or where. Deer, bear, moose, horses, elk and cattle are among the large animals in many animal crashes. Across the U.S., direct hits on animals and swerves to avoid them cause about 200 deaths and 26,000 injuries a year, according to Centers for Disease Control and Prevention (CDC) figures in the manual.
Look for animals most of all at sunrise and sunset. Montana warning signs include Deer Crossing and Cattle Crossing. Our free question on a deer that jumps into your lane at dusk lets you test this.
What should you do if you cannot stop for an animal?
Who has the right-of-way when livestock is on the road?
Always give the right-of-way to an animal that someone leads, rides or drives. This applies to horses, cattle and any other draft animals. Motor vehicles scare animals easily, so how you approach matters.
Vehicles drawn by animals must show the slow-moving vehicle emblem on the rear: a fluorescent or reflective orange triangle. Most farm vehicles and construction equipment show it too. Use caution when you come near a slow-moving vehicle, and pass only when you are sure it is safe.
How to drive near horses, cattle and horse-drawn vehicles
- 1Slow down
Be careful and slow down when you get near an animal or a horse-drawn vehicle.
- 2Stop for an animal in your path
Stop if the animal or vehicle comes toward you or crosses your path, and let the animal pass. Also stop if a rider or driver signals you to stop.
- 3Pass with plenty of room
If the animal or vehicle goes in your direction, leave plenty of room when you pass, and drive at a reasonable speed. See our free question on passing a horse and rider.
- 4Keep quiet
Do not honk your horn or make a loud noise.
- 5Stop if the animal looks scared
If the animal you pass looks scared, pull your vehicle to the side and stop. Go on only when it is safe.
How slow should you drive on snow and ice in Montana?
Slow down at the first sign of rain, snow or sleet, because all three make the road slippery. Montana law says to drive at a reduced speed that is reasonable and prudent for the conditions, with attention to traffic, visibility, weather and the road. In most cases, skids happen because drivers go too fast for conditions. For the limits on dry roads, see our guide to Montana speed limits and fines.
Montana Driver Manual speed advice by road condition
| Road condition | Speed advice |
|---|---|
| Wet road | Reduce your speed about 10 mph. |
| Packed snow | Cut your speed in half. |
| Ice | Slow to a crawl. If at all possible, do not drive on icy roads. |
| Very heavy rain, snowstorm or thick fog (about 200 feet of view) | You cannot safely drive faster than 30 mph. |
Where is ice most likely on a Montana road?
On cold, wet days, shady spots can be icy, because they freeze first and dry out last. Overpasses and other bridges can have icy spots even when the rest of the pavement is not icy. Ice near the freezing point can become wet, and wet ice is more slippery than ice at temperatures well below freezing. Test yourself with our free question on where ice forms first.
What should you do if your car slides on a slippery road?
How to get your vehicle ready for winter roads
- Use snow tires or chains when the road has snow on it.
- Look at your tires. Worn or bald tires can increase your stopping distance and make turning harder on a wet road.
- Replace wiper blades that have not been working well.
- Clear snow, ice and frost from all windows, front, sides and back, before you drive.
- Use antifreeze washer fluid where the temperature could fall below freezing.
When do you need headlights in snow, rain or fog?
Headlights are required from a half hour after sunset to a half hour before sunrise. They are also required at any other time when weather or blowing dust cuts your view to less than 500 feet. On rainy, snowy or foggy days, other drivers can find it hard to see your vehicle, and headlights make it easier to see. If you turn on your wipers, turn on your headlights. In a very heavy downpour, you may not see well enough to drive. Then pull off the road in a safe place and wait until the weather clears.
Key takeaways
- Look for animals most of all at sunrise and sunset, and expect more than one deer or elk.
- If there is no time to stop for an animal, do not swerve sharply.
- Give the right-of-way to an animal that someone leads, rides or drives, and do not honk near it.
- Slow about 10 mph on a wet road, cut your speed in half on packed snow and slow to a crawl on ice.
- Next step: practice on the free Montana Class D practice test.
Montana wildlife and winter driving: common questions
Can I use studded tires in Montana?
Not from June through September. The Montana Driver Manual says studded tires are not allowed June 1 through September 30. It describes them as special tires for areas with a lot of icy weather. Because studded tires can cause road damage, they are not allowed in many areas or on certain roads.
How much following distance do I need on snow or ice?
On slippery roads you need more distance to stop, so leave more space in front of your vehicle. The Montana Driver Manual says you may need a four-second following distance in these conditions. If the vehicle ahead stops suddenly, you will need that extra distance to stop safely.
Why do bridges freeze before the rest of the road?
Bridges and overpasses do not have earth under them to insulate them against the cold. That is why the pavement on a bridge can be icy even when the rest of the road is not. On a cold, wet day, expect ice on bridges and slow down before you drive onto them.
What should I do if I get stranded in a snowstorm in Montana?
Stay in the car. The Montana Driver Manual says this is the best thing to do, because you are more likely to be found there. The manual also says not to drive on icy roads if at all possible, so put off a trip that can wait until the roads are clear.
Is it illegal to honk at a horse in Montana?
Yes. The Montana Driver Manual says it is illegal to sound your horn when you approach or pass a horse. The law also requires due care when you approach a horse that someone rides or leads along a road: drive at a reasonable speed and stay a reasonable distance away from the horse.
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