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Who Is Liable for an Amusement Park Ride Injury in California?

  • Premises Liability, Product Liability
Roller coaster track against a clear blue sky at an amusement park

Quick answer

In California, a park operating a thrill ride is generally treated as a common carrier. Under Civil Code section 2100, a common carrier must use the utmost care and diligence for the safe carriage of its passengers, a higher standard than ordinary negligence. Liability can rest with the park, the ride manufacturer, or a maintenance contractor, depending on what went wrong. Code of Civil Procedure section 335.1 generally allows two years to file an injury lawsuit.

If an amusement park ride injures you in California, responsibility usually falls on the park that operates it, and California holds parks to an unusually high standard. Courts treat the operator of a roller coaster or similar thrill ride as a common carrier, the same legal category as a bus or train company. Under Civil Code section 2100, a common carrier must use the utmost care and diligence for the safe carriage of its passengers. Depending on what went wrong, the ride manufacturer or a maintenance contractor may share responsibility.

The question is in the news. On September 23, 2026, ABC News reported that three lawsuits had been filed over the X2 roller coaster at Six Flags Magic Mountain, alleging riders suffered brain injuries, and that lawyers for the riders said more than 100 additional people had contacted their firm. ABC News reported the ride had been closed since July 12, 2026. The Associated Press reported that it is Six Flags’ policy not to comment on pending litigation. On September 29, ABC News reported that Six Flags is permanently retiring the X2. The allegations in the lawsuits have not been decided by any court.

B&D Law Group, APLC is a personal injury law firm in Los Angeles, California, handling premises liability, product liability, and brain injury matters throughout the state. The rest of this article explains, in general terms, how California law works when someone is hurt on a ride.

California Treats Thrill Rides as Common Carriers

Most injury cases in California turn on ordinary negligence, the duty of reasonable care that Civil Code section 1714 places on everyone. Amusement rides are different. In Gomez v. Superior Court (2005) 35 Cal.4th 1125, the California Supreme Court held that a roller coaster operator can be a carrier of persons for reward, which pulls in Civil Code sections 2100 and 2101.

Section 2100 requires utmost care and diligence for safe carriage, and section 2101 requires the carrier to provide vehicles that are safe and fit for their purpose. The Gomez court, quoting earlier cases, described this as a duty to carry passengers safely as far as human care and foresight can go, while making clear that common carriers are not insurers of their passengers’ safety. The reasoning is straightforward: a rider on a coaster surrenders control, and the park decides every drop, turn, and acceleration.

Not every attraction falls into this category. In Nalwa v. Cedar Fair (2012) 55 Cal.4th 1148, the California Supreme Court held that a bumper car operator is not a common carrier, because riders steer and accelerate themselves, and that primary assumption of risk can bar a claim arising from the bumping itself. The Court of Appeal applied that distinction in Sharufa v. Festival Fun Parks (2020), treating a waterslide as a thrill ride subject to the higher duty.

Who May Be Held Responsible After a Ride Injury

The park operator. If a ride is run outside the manufacturer’s limits, if restraints are not checked properly, if warnings about known risks are inadequate, or if maintenance is skipped, the operator’s conduct is measured against the utmost care standard.

The ride manufacturer or designer. A ride is a product, and California recognizes strict liability for a defective design. Under Barker v. Lull Engineering Co. (1978) 20 Cal.3d 413, a design is defective if the product failed to perform as safely as an ordinary consumer would expect, or if the plaintiff shows the design caused the injury and the defendant cannot show its benefits outweigh its risks.

Maintenance and inspection contractors. Parks often hire outside companies to service rides. If that work was done poorly, the contractor can be a defendant alongside the park.

California also uses comparative fault, so a rider’s own conduct can reduce recovery without eliminating it. Ignoring a posted restriction, standing up, or unfastening a restraint are the kinds of facts a defense lawyer will raise.

White roller coaster track curving above an amusement park

What California’s Ride Safety Rules Require of Operators

California runs a state inspection system for permanent amusement rides through the Division of Occupational Safety and Health, known as Cal/OSHA. Labor Code section 7920 states the Legislature’s intent to create that system, and section 7924 requires an owner to submit an annual compliance filing supported by a qualified safety inspector.

Labor Code section 7925 matters most after something goes wrong. It requires the operator to report to the Division immediately by telephone each known accident where the maintenance, operation, or use of a permanent amusement ride results in a death or serious injury, unless the injury needs no more than ordinary first aid, and the equipment or condition involved must be preserved for investigation. The Division may order a ride to stop operating if an inspection finds it hazardous or unsafe, and operation may not resume until the problem is corrected to the Division’s satisfaction. A responding fire or police agency must notify the Division immediately as well. The parallel regulation is title 8 of the California Code of Regulations, section 344.15.

These rules are enforced by the state, not by injured riders directly. They still matter in a civil case, because the reports, inspection records, and preserved equipment they generate often become the evidence of what happened.

Deadlines and Insurance in a Ride Injury Claim

Under Code of Civil Procedure section 335.1, a person generally has two years from the date of injury to file a lawsuit for injury or death caused by the wrongful act or neglect of another. Deadlines can shift: they run differently for a child, they can be affected by when an injury was discovered, and a much shorter claim deadline applies if a public entity operates the attraction, as at a county fair. Confirm your own date with a lawyer rather than rely on a general article.

On the insurance side, a large park typically carries substantial commercial liability coverage, and its insurer is usually involved early. Park representatives may ask for a recorded statement. A person is not required to give one to another party’s insurer, and it is sensible to understand the full medical picture before discussing settlement, because head injuries can take time to evaluate.

Amusement park roller coaster track rising above trees under a cloudy sky

Practical Steps After an Injury on a Ride

If a ride in California injures you or someone with you, a few steps help later:

  • Get medical attention, even if symptoms seem mild. Headache, confusion, nausea, vision changes, or unusual sleepiness after a ride are reasons to be evaluated promptly.
  • Report the injury to park staff, ask that a written incident report be created, and request a copy.
  • Note the ride name, date and time, the car or row you were in, and any employees you spoke with.
  • Photograph anything relevant, including restraints, signage, and visible injuries.
  • Keep your ticket or receipt, write down what happened while it is fresh, and get contact details for any witnesses.
  • Follow through on medical care and keep records of every visit and expense.

Frequently Asked Questions

Does signing a waiver or a posted warning block a claim in California?

Not automatically. A posted sign warning that a ride is rough does not by itself release a park from the duty described in Civil Code section 2100, and California law limits how far a release can go. Whether a specific waiver or warning has any effect depends on its wording and the circumstances, which is a question for a lawyer reviewing the actual document.

How long do I have to file an amusement park injury lawsuit in California?

Code of Civil Procedure section 335.1 generally gives two years from the date of injury. Different timing applies to a minor, to an injury discovered later, or to an attraction run by a public entity, where a written claim is normally required far sooner. Confirm your own deadline with a lawyer.

Is an amusement park always a common carrier under California law?

No. Gomez v. Superior Court applied that status to a roller coaster and Sharufa v. Festival Fun Parks to a waterslide, while Nalwa v. Cedar Fair held bumper cars are different because riders control their own movement. The classification turns on how much control the rider gives up.

Can I sue the company that built the ride, not just the park?

California recognizes strict liability claims against manufacturers for defective design under Barker v. Lull Engineering Co. Whether that fits a case depends on evidence about the design and what caused the injury. Claims against a park and a manufacturer are often brought in the same lawsuit.

If you have questions about an injury on a ride in California, we are available to talk it through, with no obligation. These related articles may also help: California premises liability law, what qualifies as a catastrophic injury in California, and what determines the value of a traumatic brain injury claim. Call (888) 977-2238 or reach us through our contact page. We handle these claims through our premises liability attorneys.

Sources

  1. CBS News Los Angeles, Six Flags’ X2 roller coaster left riders with brain injuries, lawsuits allege, updated September 23, 2026.
  2. ABC News, New lawsuits allege X2 roller coaster at Six Flags Magic Mountain caused major brain injuries, September 23, 2026.
  3. ABC News, Report on the permanent retirement of the X2 roller coaster, September 29, 2026.
  4. California Civil Code section 2100, california.public.law.
  5. California Civil Code section 1714, california.public.law.
  6. Gomez v. Superior Court (2005) 35 Cal.4th 1125, CourtListener.
  7. Sharufa v. Festival Fun Parks, LLC (2020), FindLaw, discussing Nalwa v. Cedar Fair (2012) 55 Cal.4th 1148.
  8. Barker v. Lull Engineering Co. (1978) 20 Cal.3d 413, Justia.
  9. California Labor Code section 7920, california.public.law.
  10. California Labor Code section 7925, california.public.law.
  11. California Code of Regulations, title 8, section 344.15, Department of Industrial Relations.
  12. California Code of Civil Procedure section 335.1, california.public.law.

This article was prepared by B&D Law Group, APLC, Los Angeles, California.

Attorney advertising. This article is provided for general informational purposes only and does not constitute legal advice. Reading this article or contacting us does not create an attorney-client relationship. Every case depends on its own facts, and results will differ based on different facts. Past results do not guarantee a similar outcome, and no result is guaranteed.