What Is the Leading Cause of Traffic Fatalities in California?

CAR ACCIDENTS

What Is the Leading Cause of Traffic Fatalities in California?

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Year after year, speeding and impaired driving are the leading factors in California traffic deaths, with distracted driving a fast-growing contributor. According to the California Office of Traffic Safety and NHTSA, these behaviors—along with not wearing seat belts—drive the majority of fatal crashes, and nearly all of them are preventable.

A traffic-accident scene on a California highway
Speeding and impaired driving are consistently the leading factors in California traffic deaths.

Speeding and impaired driving lead the list

Speeding reduces reaction time and multiplies crash forces, and it is a factor in a large share of fatal collisions. Alcohol- and drug-impaired driving remains one of the top killers on California roads. Both are willful behaviors—which is why crashes they cause often support strong liability and, in some cases, punitive claims.

Distracted driving is rising

Phone use—texting, scrolling, navigation—takes a driver’s eyes and attention off the road. At freeway speed, glancing at a phone for a few seconds means traveling the length of a football field blind. California law prohibits handheld phone use while driving.

What this means for injury claims

When a crash is caused by speeding, impairment, or illegal phone use, that conduct is powerful evidence of negligence. Citations, toll and phone records, and dashcam or event-data-recorder data help prove exactly what the at-fault driver was doing.

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Quick Reference

FactorNotes
SpeedingReduces reaction time, multiplies crash forces
Impaired drivingAlcohol and drugs; a top killer
Distracted drivingFast-growing; handheld phone use is illegal
Not wearing seat beltsIncreases fatality risk in a crash
Leading factors in California traffic fatalities (Source: California OTS / NHTSA)

Frequently Asked Questions

What causes the most traffic deaths in California?

Speeding and impaired (alcohol/drug) driving are consistently the leading factors, with distracted driving a rapidly growing contributor, according to the California Office of Traffic Safety and NHTSA.

Is distracted driving illegal in California?

Yes. California prohibits holding and using a phone while driving. Handheld phone use is a citable offense and strong evidence of negligence if it causes a crash.

How does the cause of a crash affect my claim?

When speeding, impairment, or illegal phone use caused the crash, that conduct is compelling evidence of negligence and can strengthen your claim—and sometimes support punitive damages.

Written & legally reviewed by Compass Law Group partners

Joseph Shirazi, Managing Partner, Compass Law Group

Joseph Shirazi

Managing Partner, Compass Law Group, LLP

California State Bar #265403 · Loyola Law School, J.D.

Joseph Shirazi is the Managing Partner of Compass Law Group, LLP, leading the firm’s personal-injury, catastrophic-injury, and wrongful-death trial practice. He authored the analysis on this page.

Profiles: Avvo · Super Lawyers · Justia · LinkedIn · CA State Bar · Full Bio →

Simon Esfandi, Partner & Co-Founder, Compass Law Group

Simon Esfandi

Partner & Co-Founder, Compass Law Group, LLP

California State Bar #275307 · Loyola Law School, J.D.

Simon Esfandi is a Partner and Co-Founder of Compass Law Group, LLP. He reviewed this page for legal accuracy. Compass represents California injury victims on a No Win, No Fee basis.

Profiles: Avvo · Super Lawyers · Justia · LinkedIn · CA State Bar · Full Bio →

Past results do not guarantee future outcomes. This article is legal information, not legal advice.

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