When Do Roads Get the Most Slippery? (+How to Drive Safely)

Lisa Conant, Automotive Features Reviewer at CarParts.com

Reviewed by

Lisa Conant, Automotive Content Specialist

Automotive Features Reviewer at CarParts.com

Written by CarParts.com Research Team - Updated on September 29th, 2023

Reading Time: 3 minutes
Summary
  • Driving on slippery roads is dangerous, with most weather-related crashes occurring on wet pavement and during rainfall.
  • When it rains after a dry spell, roads become especially slippery due to oils in the asphalt rising to the surface and fluid leaks from various vehicles.
  • To drive safely in the rain, be sure to slow down, be conscious of your braking habits, avoid using cruise control, and use your headlights.

Driving comes with some safety risks, even more so when it’s pouring. According to the US Department of Transportation, most weather-related crashes occur on wet pavement and during rainfall. About 5,700 people are killed and more than 544,700 get injured every year because of unpleasant weather conditions.

Not everyone can stay at home when it rains and wait until it’s safe enough to drive. Some people are caught up in the middle of a downpour, while others urgently need to get to their destination, leaving them with no choice but to power through the storm.

Roads Are Most Slippery When It Rains After Drought

When it rains after a dry spell, the roads become very slippery.

When it rains after a dry spell, the roads become very slippery. This is because of two things: the oils in the asphalt that rise to the surface and fluid leaks from various vehicles.

The asphalt emulsion process involves a soap-like material, which tends to sit on the road surface during a downpour. During a rain shower, the road surface is most slippery during the first few minutes, because the oils haven’t been washed away yet.

Some experts even claim that roadways are most slippery after a drizzle in a dry spell because it takes longer to get rid of the oils.

How to Drive Safely In the Rain

Driving habits that work under dry conditions might not be ideal during inclement weather conditions. So before you cruise along the highway on a rainy day, you might want to read some of the tips below to ensure you stay safe even during a downpour.

Slow Down

Wet roads can cause tires to lose traction, so it’s best to slow down when you’re driving.

Wet roads can cause tires to lose traction, so it’s best to slow down when you’re driving. Keep a safe distance from the vehicle in front of you in case your vehicle skids to avoid any accidents.

Be Conscious Of Your Braking Habits

Your vehicle’s brakes can engage quickly under dry conditions, but it’s a different story when the roads are wet. Slamming the brakes on wet roads can cause your vehicle to skid, increasing the risk of crashing. The brakes can also get wet, which will reduce their stopping power.

Don’t Use Cruise Control

Using cruise control when it’s raining can be problematic, especially when you’re hydroplaning. This might cause your vehicle to accelerate and make you lose control of the car.

Use Your Headlights

Storms can limit visibility, so if you’re driving through one, it’s a good idea to use your headlights. But think twice about using the high beams. Their light can reflect off the water and make it harder for you to see the road.

Final Thoughts

Bad weather conditions make roads slippery, which is why it’s better to wait until the rain passes before you go out. But if you ever find yourself caught up in the middle of a storm, be sure to observe safe driving habits to steer clear of any trouble.

About The Authors
Reviewed By Lisa Conant

Automotive Features Reviewer at CarParts.com

Lisa Conant grew up in Canada around a solid contingency of gear heads and DIY motor enthusiasts. She is an eclectic writer with a varied repertoire in the automotive industry, including research pieces with a focus on daily drivers and recreational vehicles. Lisa has written for Car Bibles and The Drive.

Written By CarParts.com Research Team

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