Los Angeles is famous for its bustling highways, busy intersections, and often challenging traffic conditions. Unfortunately, this also means that car accidents are common in the city. Understanding the causes of these accidents can help drivers avoid dangerous situations and stay safe on the road. Below are the 12 most common causes of car accidents in Los Angeles and some tips on how to prevent them.
What Are Common Causes of Car Accidents in Los Angeles?
- Distracted Driving
Distracted driving is one of the leading causes of car accidents in Los Angeles. Whether it’s texting, eating, using a GPS, or talking to passengers, distractions can take a driver’s focus off the road, leading to collisions. - Speeding
Speeding significantly increases the likelihood of a crash and the severity of the resulting injuries. Speeding reduces the amount of time a driver has to react and increases the stopping distance, making it harder to avoid collisions. - Drunk Driving
Driving under the influence of alcohol or drugs impairs a driver’s ability to make quick decisions, maintain control of the vehicle, and stay aware of their surroundings. Whether impairment contributed to a particular collision requires evidence of the driver’s condition and conduct. - Reckless and Aggressive Driving
Reckless driving includes speeding, weaving in and out of traffic, tailgating, and ignoring traffic signals. Aggressive drivers are more likely to cause accidents due to their erratic and unpredictable behavior. - Running Red Lights and Stop Signs
Ignoring traffic signals is a common cause of car accidents in Los Angeles. Running a red light or stop sign can lead to serious T-bone or side-impact collisions, which often result in severe injuries. - Tailgating
Tailgating, or following too closely, doesn’t give drivers enough time to react if the car in front of them suddenly stops. This often results in rear-end collisions, which are some of the most common accidents in Los Angeles. - Unsafe Lane Changes
Failing to check blind spots, signal properly, or judge the distance when changing lanes can lead to sideswipe collisions. In the dense traffic of Los Angeles, these types of accidents are especially common. - Driving Under the Influence of Drugs
In addition to alcohol, other mind-altering substances, including both illegal drugs and prescription medications, can impair a driver’s reaction time and judgment. A medication label or allegation of drug use does not establish impairment in an individual crash. - Weather Conditions
Although Los Angeles is known for its beautiful weather, rain can create hazardous driving conditions. Wet roads reduce traction, making it easier for cars to skid and lose control, leading to accidents. - Drowsy Driving
Driving while fatigued is another significant cause of car accidents. Drowsy drivers have slower reaction times and are more prone to falling asleep behind the wheel, especially during long drives or late at night. - Poor Road Conditions
Potholes, debris, and poorly maintained roads can contribute to car accidents, especially at higher speeds. Vehicles may swerve to avoid obstacles, leading to collisions with other vehicles or objects. - Left-Turn Accidents
Left-turn accidents are common at busy intersections where drivers must judge gaps in oncoming traffic. Misjudging the speed or distance of an approaching vehicle can lead to dangerous collisions.
Car accidents in Los Angeles are often the result of a combination of driver error, unsafe conditions, and risky behaviors. Understanding these common causes is key to staying safe on the road. However, even the most cautious drivers can find themselves involved in an accident due to someone else’s negligence.
If you’ve been involved in a car accident in Sherman Oaks, Hollywood, Los Angeles, or anywhere in California the experienced team at Weiss Attorneys is here to help. Whether it’s navigating complex insurance claims or pursuing compensation for medical bills, property damage, or lost wages, we are committed to providing you with the legal support you need. Contact us today for a free consultation, and let us help you get back on track.
For how we evaluate fault alongside insurance coverage, injuries and representation, see our California car accident lawyer guide.
Connect the suspected cause to specific evidence
| Suspected issue | Records that may help | Question to resolve |
|---|---|---|
| Unsafe lane change | Full video, lane markings and vehicle damage | Which vehicle changed position before first contact? |
| Rear-end sequence | Witness accounts, dashcam and initial vehicle positions | Was there one impact or a chain of separate contacts? |
| Signal or turn dispute | Witness vantage points, approach footage and traffic controls | Who could actually see the relevant signal? |
| Roadway condition | Incident-date photographs and records identifying the location | What condition existed when the collision occurred? |
Use the relevant guide for your collision: rear-end impact sequences, witness vantage points, or accident lawsuit evidence. Keep medical causation and damages separate from the question of which driving conduct contributed to the collision.
A cause label is not a finding about your crash
Terms such as distraction, speeding or unsafe lane change describe possible issues to investigate. They are not a verified ranking of Los Angeles accidents or proof about an individual driver. For a specific collision, match the alleged conduct to footage, vehicle positions, witness observations and available physical records. An officer’s summary, a party’s estimate and a measurable fact should be identified separately. We evaluate the evidence for the actual event rather than assume that a familiar crash pattern establishes liability.
Lane-change collision evidence · Injury evidence checklist · Free consultation
Prepared by Weiss Attorneys. Updated October 13, 2026. General information; the facts, applicable law, insurance terms and deadlines require an individual review.
