Bicycle Accidents
Who Is Liable for a Dooring Bicycle Accident in California?
In most California dooring accidents, the person who opened the car door into the cyclist’s path is liable. California Vehicle Code Section 22517 prohibits opening a vehicle door on the side of moving traffic unless it is reasonably safe and will not interfere with that traffic. That rule applies to drivers and passengers alike, including rideshare and taxi passengers. Because the law sets a clear safety standard, violating it can be used as evidence of negligence, which often makes liability easier to establish than in other bicycle crashes.
Dooring injuries can be severe, since a cyclist may hit the door at full speed or be thrown into the traffic lane.
Who Can Be Responsible in a Dooring Crash?
| Person or Party | Why They May Be Liable |
|---|---|
| The driver who opened the door | Failed to check for approaching cyclists before opening |
| A passenger who opened the door | The same duty under Vehicle Code Section 22517 applies to passengers |
| Rideshare or taxi driver | May share fault if they stopped in a bike lane or traffic lane to let a passenger out |
| A vehicle owner or employer | May be responsible if the driver was working at the time |
Under California Evidence Code Section 669, a person who violates a safety statute designed to protect people like you may be presumed negligent. In a dooring case, that presumption can shift much of the focus from who was at fault to how serious your injuries are.
Will the Cyclist Be Blamed?
Insurers sometimes argue a cyclist was riding too close to parked cars or too fast. California Vehicle Code Section 21202 generally requires cyclists to ride as far right as practicable, but it allows them to move left to avoid hazards, including parked vehicles. Under California’s comparative fault rule, even if a cyclist shares some responsibility, recovery is reduced rather than barred.
Doored while riding? A free case review can help you understand who is responsible and what coverage may apply.
Get a Free Case ReviewWhat to Do After Being Doored
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Identify the Person Who Opened the Door
Note whether it was the driver or a passenger, and get their name, contact details, and insurance information.
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Photograph the Car, Door, and Your Bike
Capture the door position, damage, the bike lane, and where your bike and body came to rest.
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Call Police and Request a Report
A police report helps document that the door was opened into traffic.
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Keep Your Bike and Gear As They Are
Do not repair the bike or throw away a damaged helmet. They can show the force of the impact.
Payment usually comes from the auto liability policy covering the vehicle. If coverage is too low, your own uninsured or underinsured motorist coverage may help, even though you were on a bike. See what an uninsured motorist claim is in California. A Walnut Creek bicycle accident lawyer can help secure witness statements and nearby camera footage. Most injury lawsuits must be filed within two years.
Frequently Asked Questions
Is dooring illegal in California?
Yes. Vehicle Code Section 22517 makes it a violation to open a door into moving traffic when it is not reasonably safe.
Can I sue a passenger who opened the door?
Yes. The law applies to anyone who opens the door, and the vehicle’s insurance may cover the passenger’s liability.
What if I was not in a bike lane?
You may still recover. Cyclists have the right to use the road, and riding outside a bike lane does not excuse a careless door opening.
Does my car insurance cover me while cycling?
Often, yes. Uninsured and underinsured motorist coverage and medical payments coverage may follow you as a cyclist, depending on your policy.
Hit by an Opening Car Door?
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