This week, showers, strong winds and also even lightning surprised lot of the only Area. If storms and also high wind knock out power and also blow down trees, the year’s first rain additionally wreaks havoc on the roads.

You are watching: When is the road the most slippery

Roads are most slippery as soon as it rain after a dried spell due to the fact that oil and also dirt haven’t to wash away. Your tires don’t grip too on oil-slicked roads, so slow down once the first rain hits. California’s department of motor Vehicles proposal driving 5 to 10 miles every hour slow on wet roads.

When that starts come rain top top a warmth day, like it go this week, DMV states pavement gets really slippery the first couple of minutes. Heat reasons oil to come to the surface, which makes the road slippery till the rain washes that away.

A examine by a UC Berkeley researcher supports this theory. In an analysis of an ext than one million deadly crashes in 48 states, post-doctoral researcher Daniel Eisenberg found that the an ext is snowed or rained in a month, the under deadly crashes occurred. In any given month, secondary 10 centimeters that rain was linked to a 3.7 percent decrease in the deadly crash rate.

Eisenberg also found the accident risk increases with the size of the dry spell preceding it. The rain we saw this week, ~ a lengthy dry spell and a heat wave, was specifically dangerous.

Driving in high winds

As everyone who’s moved over the Bay bridge on a public day deserve to attest, high winds have the right to be a danger to every drivers, especially those driving huge trucks, RVs, and vehicles through trailers. As soon as wind blows especially strong and gusty, exercise the adhering to safe driving tips:

Reduce speed. When you slow-moving down, you have far better control of your vehicle and you’ll have an ext time to reaction in a danger situation.

Maintain a firm grip on the steering wheel. If you’re not holding the wheel properly, a solid gust have the right to jerk the wheel from her hand, bring about you to shed control.

Stay alert. Look at ahead and also watch because that debris or litter top top the road. Likewise watch because that debris the may obtain blown top top the road.

Don’t use cruise control. You’ll need full manage of the gas pedal as soon as a gust of wind occurs.

Be proactive. Take it public transportation. If you’re control in the center of an especially severe storm, traction over and also take a break.

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When surprise showers hit, slow-moving down and stay hyper-alert top top bridges. If friend do get into one accident and also sustain injuries, acquire medical attention and call a personal injury lawyer best away.