Fall Driving in Ontario: Deer, Darkness, Wet Roads and Other Hidden Hazards

August 24, 2026, Kitchener, Ontario

Posted by: Robert Deutschmann, Personal Injury Lawyer

For many Ontarians, fall is one of the most enjoyable times of year. Cooler temperatures, vibrant autumn colours, and harvest festivals make it the perfect season for scenic drives through Waterloo Region and beyond.

Unfortunately, late summer and autumn also bring a noticeable increase in driving hazards.

Shorter daylight hours, wet leaves, fog, heavy rain, wildlife activity, and the first frost of the season all contribute to changing road conditions. While winter often receives the most attention, many serious collisions occur during the fall months when drivers underestimate these seasonal risks.

Understanding what makes autumn driving different can help you arrive safely wherever the road takes you.

In the News

Each autumn, police services across Ontario remind drivers to watch for an increase in deer activity, particularly during dawn and dusk when visibility is reduced. Wildlife collisions become more frequent as animals move during the fall mating season and search for food before winter.

At the same time, emergency responders see more collisions caused by wet pavement, early morning frost, reduced daylight, and sudden weather changes.

These seasonal hazards affect both rural highways and busy urban roads throughout Waterloo Region.

1. Wildlife Is More Active in the Fall

One of the greatest seasonal dangers is the increased movement of deer and other wildlife.

Drivers are most likely to encounter deer:

• Around sunrise
• Around sunset
• Along wooded roadways
• Near farm fields
• On rural highways

Deer rarely travel alone. If one crosses the road, others may follow.

Swerving suddenly to avoid an animal can sometimes create an even greater danger than braking in a controlled manner.

2. Darkness Arrives Earlier

As the days become shorter, more people find themselves commuting in low-light conditions.

Reduced daylight makes it harder to see:

• Pedestrians
• Cyclists
• Wildlife
• Motorcycles
• Road hazards

Drivers should ensure:

• Headlights are functioning properly.
• Windshields are clean.
• Interior dashboard lighting isn't overly bright.
• Speed is adjusted to match visibility.

3. Wet Leaves Can Be Surprisingly Slippery

Many drivers don't realize that wet leaves can reduce traction in much the same way as ice.

Leaves can:

• Increase stopping distances.
• Hide potholes.
• Conceal lane markings.
• Reduce tire grip during cornering.

This is especially true for motorcycles and bicycles.

Whenever possible, avoid sudden braking or sharp steering on leaf-covered roads.

4. Fog Can Develop Quickly

Morning fog is common throughout Waterloo Region during the fall.

Visibility may change dramatically over just a few hundred metres.

If you encounter fog:

• Slow down.
• Increase following distance.
• Use low-beam headlights.
• Avoid using high beams, which reflect light back toward you.

5. Rain and Oil Create Slippery Roads

After a long dry period, the season's first rainfall often lifts oil and debris from the pavement.

This creates particularly slippery conditions during the first 30 to 60 minutes of rain.

Drivers should:

• Reduce speed.
• Leave extra following distance.
• Brake gently.
• Avoid abrupt lane changes.

6. Frost Can Form Before Winter Arrives

Many drivers don't expect icy patches before the first snowfall.

Early morning frost commonly develops on:

• Bridges
• Overpasses
• Shaded rural roads
• Elevated highway sections

Even a thin layer of frost can significantly reduce traction.

7. Sun Glare Can Be Worse

Lower autumn sun angles create intense glare during morning and evening commutes.

Sun glare can temporarily make it impossible to see:

• Traffic signals
• Pedestrians
• Cyclists
• Stopped vehicles

Keep your windshield clean and wear polarized sunglasses when appropriate.

Local Perspective: Waterloo Region's Mix of Urban and Rural Roads

Waterloo Region offers a unique mix of driving environments.

Motorists may travel from busy city streets in Kitchener or Cambridge to quiet rural roads through North Dumfries, Wilmot, Wellesley, or Woolwich in a matter of minutes.

This changing landscape means drivers may encounter:

• Farm equipment.
• Wildlife crossings.
• Dense morning fog.
• School buses.
• Heavy commuter traffic.
• Cyclists enjoying autumn trails.

Remaining alert to changing road conditions is one of the best ways to reduce collision risk.

Myth vs. Fact

Myth

"Fall driving is much safer than winter driving."

Fact

Autumn brings its own hazards, including wildlife, wet roads, fog, and early frost, which contribute to many serious collisions.

Myth

"If I miss a deer, the danger is over."

Fact

Deer often travel in groups. Always watch for additional animals crossing behind the first.

Myth

"My summer tires are fine until it snows."

Fact

As temperatures consistently fall below about 7°C, summer tires lose flexibility and traction, reducing braking and handling performance.

Practical Fall Driving Tips

Before heading out this autumn:

1. Check your tire tread and tire pressure.
2. Test all exterior lights.
3. Replace worn windshield wipers.
4. Keep washer fluid topped up.
5. Slow down on wet or leaf-covered roads.
6. Watch road shoulders for wildlife.
7. Increase following distance in poor visibility.

If You're Involved in a Collision

Even collisions at relatively low speeds can result in injuries such as:

• Whiplash
• Concussions
• Fractures
• Soft tissue injuries

If you're involved in an accident:

• Seek medical attention if needed.
• Report the collision where required.
• Take photographs of the scene.
• Document weather and road conditions.
• Obtain witness information.
• Notify your insurance company promptly.

Conditions such as fog, wet pavement, or wildlife activity may become important factors in understanding how the collision occurred.

Frequently Asked Questions

Are deer collisions covered by insurance?

Coverage depends on your automobile insurance policy and the type of coverage you carry. Contact your insurer or broker to understand your specific protection.

What should I do if a deer runs onto the road?

Brake firmly while maintaining control of your vehicle. Swerving into oncoming traffic or off the road can sometimes lead to more serious collisions.

Why are roads more slippery during the first rainfall?

Oil, fuel residue, and other contaminants accumulate on dry pavement. Initial rainfall mixes with these substances before they are washed away, temporarily reducing traction.

When should I switch to winter tires?

Many experts recommend installing winter tires once temperatures consistently remain below 7°C, even if snow has not yet fallen.

The Bottom Line

Autumn driving presents a unique combination of hazards that can catch even experienced drivers off guard. By slowing down, staying alert, and preparing your vehicle for changing conditions, you can reduce your risk of a collision and enjoy everything the season has to offer.

If you or a loved one has been injured in a motor vehicle accident this fall, the team at Deutschmann de Koning Personal Injury Law is here to help you understand your legal rights, navigate Ontario's insurance system, and focus on your recovery.

About Deutschmann de Koning Law

Deutschmann de Koning Law serves South-Western Ontario with offices in Kitchener-Waterloo, Cambridge, Woodstock, Brantford, Stratford and Ayr. The law practice of Robert Deutschmann and Nick de Koning focuses almost exclusively in personal injury and disability insurance matters. For more information, please visit www.ddinjurylaw.com or call us at 1-519-742-7774.