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

You are watching: When are the roads most slippery

Roads are most slippery as soon as it rain after a dry spell because oil and dirt haven’t wash away. Her tires don’t grip as well on oil-slicked roads, so slow-moving down as soon as the an initial rain hits. California’s department of engine Vehicles recommends driving five to 10 miles every hour slower on wet roads.

When that starts come rain ~ above a warmth day, prefer it did this week, DMV claims pavement gets really slippery the first few minutes. Heat reasons oil to pertained to the surface, which renders the road slippery until the rain washes it away.

A study by a UC Berkeley researcher support this theory. In an analysis of much more than one million fatal crashes in 48 states, post-doctoral researcher Daniel Eisenberg found that the much more is snowed or rained in a month, the fewer deadly crashes occurred. In any given month, second 10 centimeters that rain was connected to a 3.7 percent diminish in the deadly crash rate.

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

Driving in high winds

As everyone who’s pushed over the Bay bridge on a publicly day can attest, high winds have the right to be a risk to all drivers, especially those driving huge trucks, RVs, and also vehicles v trailers. As soon as wind blows especially strong and gusty, practice the complying with safe control tips:

Reduce speed. Once you sluggish down, you have better control of her vehicle and also you’ll have much more time to reaction in a attention 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 ahead and also watch for debris or litter on the road. Additionally watch because that debris that may gain blown ~ above the road.

Don’t usage cruise control. You’ll require full manage of the gas pedal when a gust the wind occurs.

Be proactive. Take 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 down and also stay hyper-alert on bridges. If friend do acquire into one accident and also sustain injuries, get medical attention and call a an individual injury lawyer ideal away.